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CloseReview for Google Contacts by Charles Herold
Rated 1 out of 5 stars
For a while now I've seen Thunderbird working at the pace of molasses. So recently I turned off a bunch of add-ons to see if that helped. It did, so I began to turn them on one by one. TB worked fine until I turned on this extension, at which point the program started moving like mud. I don't know why.
This review is for a previous version of the add-on (0.6.34).To create your own collections, you must have a Mozilla Add-ons account.