Emails contain a lot of personal information and closing the mail window without signing out can cause you much harm then you can think of. Now don’t worry thinking “Did you sign out completely before leaving ?” because this feature will track your last five gmail login activities and you can sign out all of them in just one click, protecting your mailbox from malicious activity. At the bottom of your inbox, you will see information about the last activity on your account (see above image) and on clicking details you get information related to your last five logins. You can sign out from all sessions in just one click which makes your mailbox more safe then ever. Your sessions are categorized by Access Type, IP Address and Date/Time. Through IP Address you can know from which computer you have accessed your account and left it without signing out. This information can also be used to check whether someone else is operating your account.