This is obvious for me - no news. However, I just talked to my friend working as a teacher in school here and it is kinda a big news for him. The teachers there

This is obvious for me - no news. However, I just talked to my friend working as a teacher in school here and it is kinda a big news for him. The teachers there had expectation that if you log out from Google on web you can lend your laptop and that person will not be able to read your emails. I just can imagine how many other security holes people create by not understanding technology they use.