As a network person, the account password that is absolutely massive, many friends will use "passwords.txt" such a form of record accounts and passwords, a little safer approach is to use Excel to record, and set browsing passwords, do not exclude other forms of text records. In short, it is very troublesome to say. Some friends will say that it is not so troublesome, the password is all set to the same, such a friend I will worry about you, as long as a password is cracked by others, that all accounts are not safe. The person who stole your account is not stupid, they know the password after the first thing is to find the password law, will definitely use the same password to try to log in to your different accounts, quite dangerous. Now, I'm going to recommend a Password management tool - KeePass Password Safe