how can i clear the usernames and passwords history from all login websites?
how can i clear the usernames and passwords in the log in history of the websites? example when i want to login to my facebook i always type first letter of my e-mail and it comes with the passwords because before i put remember my password, and in other websites so, i just need to delete all this login history and it's not working from the clear everything !!! :S any idea please !! thanks in advance :)