Here is what Wikipedia says about RSS feeds:

“RSS is a family of Web feed formats used to publish frequently updated works such as blog entries, news headlines, and podcasts in a standardized format…” [ Read more... ]

Wikipedia defines a widget this way:

“In computing, the term has become frequently used to refer to objects on a computer screen the user interacts with:

• GUI widget, a component of a graphical user interface with which a user interacts
• Widget toolkit, a software library containing a collection of GUI widgets that collaborate when used in the construction of applications
• Web widget, a physically-inspired applet on the web….” [ Read more... ]

Wikipedia defines viral marketing this way:

“Viral marketing and viral advertising refer to marketing techniques that use pre-existing social networks to produce increases in brand awareness or to achieve other marketing objectives (such as product sales) through self-replicating viral processes, analogous to the spread of pathological and computer viruses. It can be word-of-mouth delivered or enhanced by the network effects of the Internet…[Read more...]