Camera images usually contain additional description about camera settings and scene information of the the picture taken. By using EXIF, you can view this data online.
As your most probably noticed, Pinterest is the newest social media craze, generating more traffic to other websites then LinkedIn, YouTube and Google+ combined!
I will show you how you find out if a website of your choice is using cookies. If the result is positive, you also find out which cookies are being used and what's their purpose.
If you don't have installed program for editing PDF documents on your computer, then you can use web application PDFescape which allows you to edit your documents in your browser.
Google Docs or these days Google Drive can make collaborating with your colleagues or friends much easier by sharing Google Document, Spreadsheet, Presentation, Pictures or a whole folder.
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.
