You know all the time and trouble you put into making and memorizing unique strong passwords for every website you visit? Well, Microsoft says a lot of that was likely misspent energy. The Guardian informs us that new research from Microsoft (PDF) shows that we probably shouldn’t use strong passwords for all our websites and that having weak passwords will suffice in many circumstances. Microsoft does say that unique strong passwords have their uses, of course, it’s just that they should be saved for websites that really do contain sensitive information such as online banking. Microsoft also points out the risks of using password managers like 1Passwsord and LastPass — namely, if a hacker somehow figures out how to hack