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Flickr is introducing a new kind of tag this week, one that lets you tag your friends on the service in photos they appear in whether you've taken the photo or not. Josh Lowensohn joined CNET in 2006 ...

Flickr has launched a new feature that has for some time played an integral role in photo sharing on Facebook. The tagging feature called “photos” works similarly to Facebook in that you can tag ...

Instagram is one of the most popular apps on Android, in general. This Facebook-owned app is used by many people who share their everyday lives, funny skits, photographs of their pets, and so much ...