i read this statement by googlize link feed. but this time i am asking about something different. I see this is a type of link submission to various sites with our title, description and url.
User Link Feed enables user blog to contribute link feeds include an image fetched for the link.Title, Description, and Images are fetched directly from the link source in realtime.The user interaction when contribute the link is like facebook link share, user can choose which images to be use that fetched.
Linkfeed is a free service to make short links to popular items. With LinkFeed, you can generate the URL anywhere and at any time.
Link feed is a service to create short links to popular items.Ad with link feed, you can create the URL anywhere, at any time.
A feed contains a list of items or entries, each of which is identified by a link. Each item can have any amount of other metadata associated with it as well. Aggregators are the most common use of feeds, and there are several types. Web aggregators (sometimes called portals) make this view available in a Web page; my Yahoo is a well-known example of this.