Welcome to Peter’s space on the internet. My main interest are user experience and privacy.


Why the Future Is Analog

Mutual Contact Discovery

I didn't buy anything on Black Friday

Natural Language Inputs

Sync podcasts to iPod

The End of Theory: The Data Deluge Makes the Scientific Method Obsolete

Is web3 bullshit?

Poisoned by Twitter

Tim Cook, Jony Ive, and Laurene Powell Jobs Discussing Steve Jobs

System Fonts CSS

Permission request guidelines

Jony Ive on Life After Apple

App Store Ads Gone Wild

Hello World!

What you can learn from people who disagree with you


Stop Telling Introverts to Act Like Extroverts

'Toxic culture' of abuse at mental health hospital

Traffic cameras expose your location through parking apps

Outdated apps vs. Complete apps

When life gives you lemons, write better error messages

On Artificial Intelligence in User Experience Design

Playful interaction design improves user experience

The Deceptive UX of Cookie Consent (and how to fix it)

Mechanical Watch

Sunsetting Quiet

I spent $3,000 on a Samsung Smart TV -- and all I got were ads and unwanted content

How fonts on your website can impact user experience and how to resolve it


Curves and Surfaces

iPhone Apps Can Tell Many Things About You Through the Accelerometer

Privacy Is Hard and Seven Other Myths

Sunsetting SecKey

The Power of Prototyping in User Experience Design

Naval Architecture

5 Steps to Design a Better Machine Learning User Experience

I do not have a smartphone

Better cybersecurity starts with honesty and accountability

Celebrating five years of Quiet, and a note on our exciting future

How Quiet Network Filter works

Internal Combustion Engine

SecKey 2.0

Cameras and Lenses

Inside the massive (and unregulated) world of surveillance tech

Apple Silicon Support

How to Write Microcopy That Improves the User Experience

Link Previews: How a Simple Feature Can Have Privacy and Security Risks

When User Experience Means Life or Death

The future of digital communication and privacy

Lights and Shadows

What you need to know about face surveillance

SecKey moving to Universal Purchases

Quiet moving to Universal Purchases

I Don’t Care What Google or Apple or Whoever Did

Popular iPhone and iPad Apps Snooping on the Pasteboard

What you need to know about stalkerware

Precise Location Information Leaking Through System Pasteboard


Wacom drawing tablets track the name of every application that you open

What tech companies know about your kids

A holographic meeting platform for collaborating from anywhere

Don't just design User Experience, solve it.

What a digital government looks like


How I sued Cambridge Analytica over my personal data

Earth and Sun

Inside the bizarre world of internet trolls and propagandists

Alpha Compositing

It is not about privacy -- it is about power

You are not alone in your loneliness

How to Design a Mobile App for Outstanding User Experience

Everything around you can become a computer

5 tips to improve your critical thinking

Why Minimalist Design Can Benefit Your User Experience

How to keep human bias out of AI

Color Spaces

Everything looks similar

Exposing Floating Point

Apple's products are getting harder to use because they ignore the principles of design.

When technology can read minds, how will we protect our privacy?

The User Experience of Chatbots

The case for a decentralised internet

It is time to leave the Facebook universe!

What if our data could be protected online?

Experience Rot

User Experience Research Field Guide

How data brokers sell your identity

The surveillance device you carry around all day

Brands are bullshit

How the hyperlink changed everything

How the progress bar keeps you sane

No More FAQs

The Dark Side of User Experience Design

The 4 superpowers of design

The human insights missing from big data

Why our screens make us less happy

Using corporate data to improve our lives

The psychology behind mobile user experience design

Information Architecture: Organising information for accessibility

Do not fear superintelligent AI

Your smartphone is a civil rights issue

Reducing Cognitive Overload For A Better User Experience

How better tech could protect us from distraction

Dieter Rams’ 10 principles of good design

Why we must protect the digital rights of children

A delightful way to teach kids about computers

Why I developed Fletta?

Take back control of your personal data

How new technology helps blind people explore the world

16GB is a Bad User Experience

Kill all browser plugins

The anatomy of a credit card form

The Tyranny of the Minimum Viable Product

The first secret of design is ... noticing

UX Myth #34: Simple = minimal

Offline: When Your Apps Can Not Connect to the Internet

The best icon is a text label

Think your email is private? Think again

Why I stopped using Facebook

The complex relationship between data and design in UX

The small and surprisingly dangerous detail the police track about you

Examining First Time Use

The ethics of collecting data

Responsive images

UX Myth #33: Mobile users are distracted

Why privacy matters

How To Design Interfaces From A User Experience Perspective

Think Your App Is Beautiful? Not Without User Experience Design

Icon Usability

Why You Should Never Use Pixelation To Hide Sensitive Text

User Experience is Integral to Winning App Design

Introvert in business

The best computer interface? Maybe ... your hands

Here's how we take back the Internet

Meet the SixthSense interaction

What You Think You Know About the Web Is Wrong

Meet the founder of the blog revolution

UX Myth #32: Success happens overnight

UX Myth #31: UX design is a step in a project

UX Myth #30: If you are an expert, you don’t need to test your design

Smart Transitions In User Experience Design

UX Myth #29: People are rational

What will a future without secrets look like?

UX Myth #28: White space is wasted space

UX Myth #27: UX design is about usability

The best stats you have ever seen

UX Myth #26: Usability testing = focus groups

UX Myth #25: Aesthetics are not important if you have good usability

UX Myth #24: People always use your product the way you imagined they would

Reach into the computer and grab a pixel

UX Myth #23: Choices should always be limited to 7+/-2

How to escape education's death valley

UX Myth #22: Usability testing is expensive

UX Myth #21: People can tell you what they want

Don’t let user experience design methods die

UX Myth #20: If it works for Amazon, it will work for you

UX Myth #19: You don’t need the content to design a website

Labels always win.

UX Myth #18: Flash is evil

UX Myth #17: The homepage is your most important page

Amazon's Next Big Business Is Selling You

UX Myth #16: Search will solve a website’s navigation problems

How the Internet will (one day) transform government

UX Myth #15: Users make optimal choices

UX Myth #14: You are like your users

UX Myth #13: Icons enhance usability

UX Myth #12: More choices and features result in higher satisfaction

Steve Jobs at the D: All Things Digital Conference

Stop Redesigning And Start Tuning Your Site Instead

The moral roots of liberals and conservatives

UX Myth #11: You need to redesign your website periodically

Apple’s 27 Guidelines for Mobile User Experience Design

Tracking our online trackers

UX Myth #10: If your design is good, small details don’t matter

The Extinction of the Scrollbar

UX Myth #9: Design has to be original

The power of introverts

UX Myth #8: Stock photos improve the users’ experience

UX Myth #7: Graphics will make a page element more visible

Sustained Attention Lasts 10 Minutes

Well Practiced Skills Do Not Require Conscious Attention

Attention Is Selective

UX Myth #6: Accessible sites are ugly

People Filter Information

Past Experience And Expectations Determine Where People Look

People Decide Who And What Is Alive By The Eyes

The technology of storytelling

Repetition Changes Your Brain

Titles Provide Context

UX Myth #5: Accessibility is expensive and difficult

There Is A Brain Area Dedicated To Perceiving Faces

Size Matters When It Comes To Fonts

Recognition Is Easier Than Recall

UX Myth #4: Design is about making a product look good

You Can Tell If A Smile Is Real Or Fake More Accurately With Video

Your Brain Has A Special Response To People You Know

Steve Jobs has passed away

Speaker and Listener Brains Sync

How Much People Lie Depends On The Medium

More People = Less Desire To Compete

Average Time To Form A Habit Is 66 Days

People Will Use Shortcuts Only If They Are Easy

UX Myth #3: People don’t scroll

People Are Motivated By Progress And Mastery

Intrinsic Rewards Trump Extrinsic Rewards

UX Myth #2: All pages should be accessible in 3 clicks

Behaviour Can Be Shaped

People of Different Ages Have Different Error Strategies

People Use A Schema To Encode And Remember

Not All Mistakes Are Bad

Anticipation Trumps The Actual Experience

UX Myth #1: People read on the web

The More Difficult Something Is To Attain, The More People Like It

Listening To Music Releases Dopamine In The Brain

First Screening About Trusting A Website Is Based On The Look And Feel

Trust Is The Best Predictor Of Happiness

People Like Pastoral Scenes

People Are Happier Busy And With A Challenge

Your Brain Craves Surprises

Smells Evoke Emotions and Memories

Anecdotes Persuade More Than Data

Emotions Are Tied To Muscle Movement

Seven Emotions Are Universal

Groups Are Swayed By A Dominant Personality

Group Decision-Making Is Faulty

People Love To Categorise

People Learn Best By Example

Cognitive Loads Are The Most Expensive

Time Is Perceived as Relative

Why User Experience Cannot Be Designed

People See What They Expect To See

There Are 4 Types Of Creativity

People Process Information Best In Story Form

Providing great user experience with feedback

During Sleep You Consolidate Learnings and Memories

The Average Reading Level In the USA Is Grade 8

People See Cues About How To Use An Object

People Create Mental Models

You React To Colors Based On Your Culture

9% Of Men And 0.5% Of Women Are Colorblind

The Brain Looks For Simple Patterns

User Experience for Developers

What You See Is Not What Your Brain Gets

People Value A Product More Highly If It Is Physically In Front Of Them

The more uncertain you are, the more you dig in and defend your ideas

You Choose (And Vote For) The First One On The List

When Uncertain, People Look To Others to Decide What To Do

People Expect Online Interactions to Follow Social Rules

We will spend more money if you do not mention money

Your Most Vivid Memories Are Wrong

You are Easily Influenced, but I am not

The importance of User Experience Design in business applications

Your Mind Wanders 30% of the Time

The art of choosing

Even The Illusion Of Progress Is Motivating

People Assume It Is You, Not The Situation

People are Inherently Lazy

People Make Mistakes

Too Much Stress Results In Poor Performance

Bite-Sized Chunks Of Info Are Best

Pointing to the future of UI

Synchronous activity bonds the group

The Desire For Control And Choice Is Built In

Our strong tie group size is 150 people

Brand Names Talk To Our Old Brains

How great leaders inspire action

Things that are close together seem to belong together

We go below the fold

Culture shapes our brains

Trust Your Gut or Be Logical?

You Are Most Affected By Brands and Logos When You Are Sad Or Scared

Using design to make ideas new

You Are Hard-Wired For Imitation and Empathy

Peripheral Vison — Keeping You Alive or Channel Surfing?

You Overestimate Your Reactions to Future Events

Your Attention Is Riveted By Pictures Of People

It is a Myth That All Capital Letters Are Inherently Harder to Read

What People Look At On a Picture Or Screen Depends On What You Say To Them

Your Unconscious Knows First

An In-Depth Look at the User Experience of iPhone Safari

The Ability To Delay Gratification Or Not Starts Young

If You Use Social Media Without Laughter You Are Not Being Social

Reading Text Online Is Not Fun

Want To Change a Habit? Use Fun, Surprise, and a Crowd

When it comes to technology, you definitely act your age

Why You Cannot Resist Paying Attention to Food, Sex, or Danger

You Want More Choices and Information Than You Can Actually Process

Blue and Red Together is Hard On Your Eyes

Dopamine Makes You Addicted To Seeking Information

You Actually Cannot Multi-Task

You Reconstruct Your Memories

You Make Most of Your Decisions Unconsciously

You Imagine Objects From Above and Tilted

You Can Only Remember 3 to 4 Things At A Time

You Read Faster With a longer Line Length But Prefer Shorter

You Have Inattention Blindness

Death to Lorem Ipsum

Empirical User Experience Design Through Action Costs

3 Ways Good Design Makes you Happy

The $300 Million Button

Design and discovery

10 Most Common Misconceptions About User Experience Design

Flow, the secret to happiness

Kevin Fox of Gmail & FriendFeed on User Experience Design

Steve Jobs' 2005 Stanford Commencement Address

5 predictions, from 1984

Design is in the Details

Who Is Really Hurt by Apple Rumor Site’s Closure?

Report: iPhone outpacing rivals in Europe without 3G

Apple Bonjour: Secret Weapon?

Online library gives readers access to 1.5 million books

Berners-Lee warns of 'walled gardens' for mobile Internet

Facebook changes the norms for web purchasing and privacy

The Mysteries of iCal, Revealed!

Challenges of Interface Design for Mobile Devices

NSA's Lucky Break: How the U.S. Became Switchboard to the World

iPhone orientation detection (JavaScript)

To All iPhone Customers


Primary & Secondary Actions in Web Forms

I Knew How To Validate An Email Address Until I Read The RFC

The iPhone is not easy to use: a new direction for UX Design

Clipboard and Text Selection

Design Decisions: When to prompt for an upgrade

Apple Flash: 270,000 iPhones in 2 Days

iPhone root password cracked in three days

Introducing IUI

What makes the iPhone UI so compelling?

Testing Out the iPhone

The iPhone Matches Most of Its Hype

Designing for the iPhone is a refreshing experience

Steve Jobs live from D 2007

Design is in the details

The Seed of Apple's Innovation

The Secret of Apple Design

Why we have OK buttons in GUIs

Microformats: What They Are and How To Use Them

35 Designers x 5 Questions

Why should we have eight hours' sleep?

100 Million iPods Sold

Why Desktop E-Mail Crucifies the Browser

95% of web design is typography

Useful browser usage and screen resolution stats

In praise of slowness

Interview with Steve Wozniak, Co-Founder of Apple Computer

Three Hypotheses of Human Interface Design

Interview with Eric Schmidt, CEO of Google

Are Web Interfaces 'Good Enough'?

The Freedom of Fast Iterations: How Netflix Designs a Winning Web Site

Apple: America's best retailer

Label Placement in Forms

How much control should our users have?

The paradox of choice

Simplicity sells

iPhone: The Microformat Killer App?

I Hate the News

User Experience Honeycomb

The radical promise of the multi-touch interface

Do schools kill creativity?

User experience isn’t just visual design

Return of the Mac