Official Gmail Blog: One button to merge all duplicate contacts - http://gmailblog.blogspot.com/2009...
This makes Gmail contacts sync (e.g. to phone) work way better. - Keith Coleman
I can't believe how many duplicates I had. At least 80 people with 2-20 duplicates each! - Kevin Fox
Worked great - Benjamin Golub
This is super great! Waited for this for long time. - Bryan Tsai
Been wanting this forever... thanks! (121 dupes found. Merged. Tried again. Found 1 more dupe...) - Dan Hsiao
Yes -very much needed - near 1500 dupes here - Jesse Stay