If you use a lot of different usernames and passwords it is difficult to remember all of them. KeePass is an interesting solution where all your passwords are kept in one safe place and protected with one password.
If you want to put your video files online using HTML5 then it's recommended to have three different formats for a full browser support. Those formats are mp4, ogv and webm.
If there is no WiFi hotspot available and you still want to surf the web with your mobile device, you need to have your mobile provider's APN settings entered and this is where you find them.
