In March of 2005 Yahoo aquired Flickr and Ludicorp. The estimated cost was $35 million.
Limits of uploads
In December of 2006 upload limits were increased to 100 Mb from 20Mb .
In January of 2007 Flickr anouced that members who created an account before the Yahoo Acquisition would be required to associate their account with a Yahoo account by March 15 to keep using the the service.
On May 3, 2007 Yahoo! anounced that Yahoo! photos would be ended so they could focus there company's efforts on Flickr.
On September 20, 2007 Yahoo! photos officially shut-down.
yahoo! photos shuts down for Australian users and all photos and accounts were deleted.
In April of 2008 Flickr started letting paid subscibers to upload videos up to 90 seconds in lenght and 150mb in size.
On March 2, 2009 Flickr added the ability to upload and view hd videos.
As of today there are about 6 billion people who use Flickr.