clean web history Firefox has a "Clean Private Data" feature that promises to clear all your web surfing tracks – everything including cookies, cache, temporary files, web addresses and stored passwords are deleted from the computer.

However if you are using the latest Firefox 3 browser, do not assume that this "Clean Private Data" command will clean your entire Firefox web history – anyone can easily discover the websites that you have visited using Firefox.

1. Press Ctrl+Shift+Del to open the Clear Private Data window in Firefox, select everything (including Browsing History) and hit OK. If you like, you may restart Firefox.

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2. Everything should be cleared from Firefox in Step 1. Now lets click the drop-down in the Firefox address bar – you’ll see a long list of websites there. How come they are not deleted ?

smart-bookmarks 3. There’re some more surprises here – from the bookmarks toolbar, click either the "Smart Bookmarks" or the "Places" folder and you’ll find another list that uncovers your browsing habits.

This is probably a bug that should be fixed in the future builds of Firefox 3 but until then, don’t rely on the browser if you are worried about privacy.

Related: Search Firefox History with Google Desktop