You just bought Nexus 4 and you don't know anything about Android operating system, so I will guide you through literally first steps on this great phone.
If you experience an Mac OS X program to freeze and you cannot exit it by clicking quit or using a keyboard shortcut, you can always force it to quit using the Activity Monitor.
In this lesson I will show you how to cut the video with the help of Set In and Set Out points. This tool is very useful if you want to cut the video more accurately.
Your iPhone or iPad screen all of a sudden won't automatically change orientation from portrait to landscape mode when looking at your photos or watching a video when you turned it over? No biggie.
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.