5. A blog (a truncation of the
expression weblog) is a
discussion or informational
site published on the World
Wide Web consisting of
discrete entries ("posts")
typically displayed in reverse
chronological order (the most
recent post appears first).
6. Slide Share is a Web 2.0
based slide hosting service.
Users can upload files
privately or publicly in the
following file formats:
PowerPoint, PDF, Keynote
or Open Document
presentations.
7. Facebook is a popular free
social networking website
that allows registered
users to create profiles,
upload photos and video,
send messages and keep in
touch with friends, family
and colleagues.
8. Twitter is a free social
networking microblogging
service that allows
registered members to
broadcast short posts
called tweets. Twitter
members can broadcast
tweets and follow other
users' tweets by using
multiple platforms and devices.