You don't need Photoshop or some other advanced piece of software to resize a large number of images at once. You can use Microsoft Office Picture Manager which is part of the Office suite.
Most of the annotations popping up while you are watching YouTube videos are really annoying, but there is a really simple on-click way to get rid of them.
As your most probably noticed, Pinterest is the newest social media craze, generating more traffic to other websites then LinkedIn, YouTube and Google+ combined!
If you are tired and annoyed by the app requests and notifications your friends keep sending on Facebook, this is how you get rid of them without having to unfriend your friends.