Table 3.

Types and descriptions of different media sharing sites.

Media sharing site category	Example	Description
Video sharing	YouTube	Video sharing site where users can upload, view, share, and comment an unlimited number of videos in both analog and high definition resolutions.
Photo sharing	Flickr	Image and video hosting site with an online community centered on its users and the theme of uploaded photos.
Presentation sharing	SlideShare	Slide sharing site where users can upload presentations in MS PowerPoint, Keynote, Open Office, and .pdf formats.
Document sharing	Scribd	Document sharing site where users can upload different types of document, presentation, and spreadsheet formats.
Music sharing	MySpace	MySpace was the largest social networking site until 2008; however, today MySpace is primarily used as a niche media-sharing site for musicians and emerging artists, which allows them to upload and sell single music tracks and entire albums in MP3 format.
Education sharing	iTunesU	A podcasting service provided through the Apple Corp. iTunes Store which grants free and paid access to educational documents, audio, and video. Content is multidisciplinary and available from kindergarten all the way through university; it includes course lessons, lectures, labs, and lab demonstrations.
Video and images in medicine	Medting	A Web and mobile platform that allows physicians to share medical images and build clinical cases to foster inter and intra institutional collaboration.
Theme specific	The Doctors Channel	Medical video site that offers free CME, medical news, and physician education videos from experts in over 50 specialties.