Flickr, one of the world’s largest photo sharing, video hosting and online community where millions of users uploading and sharing photos, videos world wide. The Flickr lunched in February 2004 and co-founder Stewart Butterfield & co-founder Caterina Fake. More then four billion images hosted within October 2009 — explains official flickr blog.
In March 2005, Yahoo Inc, acquired Flickr and in December 2006, increased per month upload limit from 20 MB to 100 MB and as allowing Pro Account holders to uploading unlimited photos and shares. In April 2008, Flickr allowing paid users to upload videos and limited to 90 seconds in length and 150 MB in size. In March 2009, Flickr also introducing High Definition (HD) videos and allowing free users to upload normal resolutions.
Flickr not only allowing Paid users to upload photos, videos but also allowing free users to upload photos, videos. Free user can upload photos of 100 MB per month and allowed to upload 2 videos per month. Where Paid user can upload unlimited photos, videos and of-course allowed to upload HD videos.
If any account is inactive for 90 days, the account will be deleted from Flickr. On the other hand, Pro users getting unlimited bandwidth and unlimited storage.