Flickr is a very fast and flexible image hosting and video hosting website, web services suite, and online community produced by Ludicorp and later acquired by Yahoo!. In addition to being a popular website for users to share and implant personal photographs, the service is widely used by bloggers to host images that they embed in blogs and social media. In Sept 2010, it reported that it was hosting much more than 5 billion images.
In June 2008, Flickr co-founder Stewart Butterfield announced his resignation following his wife and co-founder Caterina Fake, who left the company on 13th june 2008.Butterfield wrote a humorous resignation letter to Brad Garlinghouse in which he stated that he was an old tin man in a new age.
On 11th Dec, 2008, The Guardian reported that three employees had been laid off as Yahoo continued to reduce its workforce
A screenshot of hot tags on Flickr
Flickr asks photo submitters to organize images using tags (a form of metadata), which enable searchers to find images related to particular topics, such as place names or subject matter. Flickr was also an early website to implement tag clouds, which provide access to images tagged with the most popular keywords. Because of its support for tags, Flickr has been cited as a prime example of effective use of folksonomy, although Thomas Vander Wal suggested Flickr is not the best example