Snapchat says it allows you to send any kind of photo to your friends, for a time frame of your choosing. But do the photos really disappear?
The new design allows you to make changes as a group — such as untagging yourself from a bunch of photos at once, or deleting multiple status updates.
Beginning in March, Google says it will do more with the information it collects about your web habits.
Last month a tech researcher found software called Carrier IQ installed on smartphones that logs what users are typing and where they are surfing. Questions about privacy and security have been raised in recent weeks and now local attorneys are filing a federal class-action lawsuit against smartphone makers and other companies.