If you download many files from the internet, you probably face .rar format usually. It is good while the file does not have any password. However, sometimes it does. And more than often you forget to mark it down somewhere…

For a long time I was quite pissed off by people who use the “invisible” function on Skype (if you really do not want people to write you messages, just use do not disturb…). There were a couple such people…