Get a Nexus 7 and Nexus 7 Root Tutorial

A few days ago, Aiba recommended several 7-inch tablets, and finally, under the strong appeal of Google, I bought a Nexus 7. Received the goods today, it's pretty good, the speed is fast enough and the production is fine.
Here are some collected Root related tutorials and tools:
The easiest one-click root : http://bbs.gfan.com/viewthread.php?tid=4517708&page=1
Original ROM: https://developers.google.com/android/nexus/images#nakasi
How to flash back to the original ROM: http://bbs.gfan.com/android-4743674-1-1.html
Common tools:
QQ pad mini: suitable for 7-inch tablets
Google's related tools are all good, such as Google reader, Google+, gmail, gtalk, etc.
Evernote: It is recommended to use the international version
QuickOffice Pro HD v5.5.320: The best office software Smart Reader: The best PDF reading software on tablet
Related discussion forums:
it168.com: Updates very quickly, the latest ROM modified versions are available
gfan.com: Fast updates
xda: English, the best discussion forum, many original resources in China come from here
modaco: English, very good original community