ONLINE COMMUNITIES

1. Amazon: Book sharing, Buying, selling, Reviews
   
2. Wiki Educator: education Community
   
3. Motley Fool: How-to, Wiki, and Article Sites
4. Squidoo: Photo Sharing

1-Amazon has many policies for its website, because it sells things, they have policies like "return policies", and policies for using this website

2- Wiki educator has policies regarding the education that is placed bu the poster. Because anyone can post information. The information could be misleading or damaging of other people. people could also edit, each other people write which might cause some problems.

3- The motley fool is a website for money related things like finance, and investments, so their policies have to do with mostly privacy, and the security of their customers.

4-Squidoo, is a website for photo sharing. one of their policies for inline photsharing, is bad or inappropriate images.