Humbersloop is spot on. ISTRONGLY recommend that nobody checks their email or puts in any sort of personal details in a public;y accessed computer such as in a library or internet cafe. I once went in an internet cafe and the first thing I did was click the back button, this took me back to the last person's email account. I had a sneak peak and found all sorts of banking passwords, outstanding debts, their home address and the email addresses of many of their friends.
Naturally, I didn't nothing with the information but people more unscrupulous than me could have had a field day with that info.