Here is a list of twelve ways to protect your privacy online. Published by EFF (Electronic Frontier Foundation), an organization working to protect our fundamental rights regardless of technology. :noidea:

1) Do not reveal personal information inadvertently.
2) Turn on cookie notices in your Web browser, and/or use cookie management software or infomediaries.
3) Keep a "clean" e-mail address.
4) Don't reveal personal details to strangers or just-met "friends".
5) Realize you may be monitored at work, avoid sending highly personal e-mail to mailing lists, and keep sensitive files on your home computer.
6) Beware sites that offer some sort of reward or prize in exchange for your contact information or other personal details.
7) Do not reply to spammers, for any reason.
8) Be conscious of Web security.
9) Be conscious of home computer security.
11) Remember that YOU decide what information about yourself to reveal, when, why, and to whom.
12) Use encryption!