lifehacker has started a series of posts on choosing and using secure passwords. Few days ago they published a list of handy tips from their readers on how to create passwords you can rely on. One of the readers admitted that in a company he works for IT administrators require password change every 30 days and

Have you ever had to say sorry because you’ve sent an e-mail to a wrong person? Isn’t it an embarrassing situation? Hopefully it wasn’t a confidential e-mail otherwise you may get into trouble. After all it’s typical of all of us. You’ve simply made a stupid blunder to enter a wrong address…or to use AutoComplete. Such things may trigger some unpleasant consequences which is actually a minimal harm AutoComplete can incur.