questions

1-blogger: Post your own news an oppinions about things, and having people comment on what you post
twitter: New instantly flies with twitter, when you twite its like a public bulletin board in which everyone can participate, and new fly
Face book: It allows for users to befriend one another, and comment on each others page which allows people to now one another better, and etc.
2- Education: Students are attracted to them greatly wich allows them to become distracted from more important things
Entertainment:
Business: People can get things done faster with large coarparations when they all have an idea of what to do.

3-Integrity: the posting of uneithical things on their pages
Security: People can hack others pages and their identity can be at risk.
Policies and standards: Some people might no t folow some of the policies of those networking sites.