Remove Stored Wi-Fi Networks (Apple)
The networks your iPhone remembers are a travel history: hotels, offices, airports, a friend's flat. Clearing the list is less alarming than the menu makes it look.
Topic
UTS
A collection of 34 issues
Browser Fingerprinting
Delete every cookie you own and the site still recognizes you. Time zone, screen, browser settings and the versions of software you happen to run add up to something close enough to a name.
Data: The Aggregation of Our Lives
Type a name you know into FastPeopleSearch and look at what comes back. That reaction is the whole argument. The harder question is where a site like that got any of it in the first place.
Spy Pixels - Email Tracking
Two-thirds of non-spam email carries one. You never click anything to set it off — opening the message is the entire interaction, and the sender learns roughly where you were when you did.