So I am reading an article on ZDNet.com and on top of the article I come across a set of icons. See the image below. A couple of them are obvious. I can print the article or email it to someone. A more interesting one is the little rectangle with up/down thumbs along with a few numbers. […]
Content-oriented people may think of a hashtag as a virtual “folder”, while journalists may think of it as a “channel” that one can tune to or listen in on.
You can think of tagging as an ad hoc and social way of organizing the exponentially growing volume of information on the internet. It is an informal and collaborative method of defining classification and taxonomy.