O'Reilly Network -- What Is Flickr (and Hot Tips for Using It)

O'Reilly Network -- What Is Flickr (and Hot Tips for Using It): "Flickr is an online photo management and sharing application. Its primary goals are to help people make photos available to those who matter to them, and to enable new ways of organizing pictures. You can join Flicker for free and begin sharing images immediately. Pro accounts are available for those who want to add and display high volumes of photos."