What is a RSS Feed??
RSS Feed satnds for rich site Summary feed. it is a format for changing web content. :)

what is wiki??
wiki is a site formed to make information more accesable and correct. To try and make sure that the information correct wiki is editable and therfore shared to the public.

what is a podcast?

Podcasts are downloadable and can be viewed by anyone. its a series of media files sometimes used on radio stations.

What is a blog?
a blog is short for weblog which is an online diary where you can use blog enteries to express feelings.