iPhone 3GS would not turn on

If your iPhone 3GS suddenly goes completely dead, and will not start - hold sleep/wake and home screen button for at least ten to fifteen seconds and your iphone will automatically turn on.

Delete key on mac

Press 'Fn' (very last key on the left hand side of keyboord) then when you press 'Backspace'(an arrow above return key) that acts like a normal delete key.

How to check RAM on Mac

1. Click on "apple"in tool bar, 
2. Click "About this Mac" - it opens general info about RAM on your Mac. To check usage of your RAM
3. Click on "More info" - it opens Sistem information page from it click on "Storage"

How to turn off Socialcam sharing on Facebook

Go to Facebook and on the left hand column under apps double-click Socialcam.

It will take you to the Socialcam app itself, once there look in the upper right hand corner, choose "Settings", scroll down to "Auto Sharing" and UNCLICK both Facebook options for sharing.

Scroll down again and click on SAVE.

Print screen on mac

Press "cmd" then "shift" then "3" A shoot of your screen will appear as an icon on your desktop.