One of the most popular photo sharing site on the Internet. Anyone who have been on the Internet would have heard of Flickr. It started out as a tool-set for the "Game Neverending" and slowly it evolved into a photo and video sharing site with a good number of social networking features. A lot of bloggers use Flickr to host their photos and they have made a name for themselves in this regard. Flickr enables their users to easily and effectively organize their media, making it one of the most popular media sharing site. At time of writing, they claim to have over 5 billion photos stored in their database. Furthermore, they have mobile device support for iPhone, Blackberry and Windows 7 mobile devices.