http://www.google.com/trends?q=long+tail

因為找不到 google trends
才知道收入
Labs.google.com, Google's technology playground.
Google labs showcases a few of our favorite ideas that aren't quite ready for prime time. Your feedback can help us improve them. Please play with these prototypes and send your comments directly to the Googlers who developed them.

http://www.google.com/trends?q=long+tail