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Rated 5 out of 5 stars
This makes me wish I'd known about this one after I signed up for Facebook and then not too long after switched to FF 3.
Just the very concept of Hugs instead of Pokes is enough to make me give this 5 stars--even though you've not upgraded to FF 3 compatibility.
Upgrade the compatibility to FF 3 and I will rejoice! :-D