How to Scan a QR Code Using Chrome on Your iPhone

QR (Quick Response) codes are found in many places, such as advertisements, billboards, business windows, and on products. But you don’t necessarily need a separate app to scan them—if you use Google Chrome on your iPhone, it has a QR code scanner built-in.

How to Make Aero Peek Display Instantly in Windows

Aero Peek is one of the more useful features added as of Windows 7. Simply move your mouse to the far right side on the Taskbar (on the Show Desktop button) for half a second to hide all open windows and see your desktop. But what if half a second is too long?

How to Disable Aero Peek in Windows

Aero Peek is a feature that’s been available in Windows since Windows 7, and is on by default (except in Windows 8). It allows you to temporarily peek at the desktop behind any open program windows.