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.
Adobe presented some exciting new features and tweaks for the newest upcoming version CS6 of their world's most popular image editing software Adobe Photoshop.
At any given time you can reset your Nexus 4 smartphone to the factory default settings, meaning you will bring your phone back to the same state as it was on a day when you took it out of the box.
If for some reason your Android powered smartphone does not perform as good as it used to, or you want to sell it I suggest you to bring it to its original factory state.
Gmail predicts which emails might be of high importance to you so it marks them as important with a yellow icon. If your inbox ends up full of so called important emails, this is how you disable this feature.
"It's not everyday you wake up and learn something completely new about the early universe." This really is an incredible discovery, a whole new era in physics and cosmology.