Six Tips to Protect Your Online Search Privacy:
1. Don't put personally identifying information in your search terms (easy)
2. Don't use your ISP's search engine (easy)
3. Don't login to your search engine or related tools (intermediate)
4. Block "cookies" from your search engine (intermediate)
5. Vary your IP address (intermediate)
6. Use web proxies and anonymizing software like Tor (advanced)