Inside AdWords is the name of the official Google AdWords blog.

It can be very helpful to follow it and its new posts, in fact there you will definitely find a lot of knowledge about the AdWords service, its various features, the updates and changes.

If you visit it you will find as an example posts providing valuable info about the very important AdWords quality score, that can determine the minimum cost of your keywords and infuence your campaigns.

There are also instructions on how to use Google analytics in the most recent posts of the blog.

If you are interested here is the link:

http://adwords.blogspot.com

Of course this is not the only resource Google provides to the AdWords users.

You can find a lot of answers to the official support section, that is available at:

https://adwords.google.com/support