Ever noticed that some past searches you've performed were displayed below the search box?

Clearing Your Search History From Google And Other Search Engines
Ever gone to Google or another search engine using the Internet Explorer browser and noticed that some past searches you've performed were displayed below the search box? Don't blame (or thank) the search engine. It's your browser that's keeping the record, and it's one you may find yourself wishing to delete, from time to time.

For example, I had one reader who looked up the word "sex" on Google. She was then concerned that when she went back to Google, this word appeared in her past searches list. That means anyone using her computer would see that this was something she'd searched for.

Fortunately, deleting your past searches is easily done.…
http://searchenginewatch.com/sereport/03/01-history.html