What is Yammer, Tumblr, Twitter? A social media field guide

Flickr: The one for photo lovers

What is it? Flickr wasn't the first image- and video-hosting site, but it is the biggest. Born in Vancouver in 2004, and bought by Yahoo! a year later, Flickr hosts some 6 billion images, and has 51 million registered users.

Do I already have it? Unless you're a hobby or professional photographer, web editor, or digital media savant, you're probably not a user. Most people need to be compelled to look at and ... more 

Flickr: The one for photo lovers

What is it? Flickr wasn't the first image- and video-hosting site, but it is the biggest. Born in Vancouver in 2004, and bought by Yahoo! a year later, Flickr hosts some 6 billion images, and has 51 million registered users.

Do I already have it? Unless you're a hobby or professional photographer, web editor, or digital media savant, you're probably not a user. Most people need to be compelled to look at and comment on the photographs of strangers.

Do I need it? Flickr's excellence and utility rises in direct proportion to your interest--personal or professional--in images. For the layperson? No. less