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Rated 5 out of 5 stars
Every time I install Firefox, Stumbluepon is the first extension I add. The reason isn't the usual; it's not so much to discover new sites as it is to share things among family members. I see a product we could use, and I stumble it to my husband. I see a tech joke and I send it to my son. I do use it occasionally for traditional stumbling, too, but it's hands down the best tool I've found for easily sending pages to people I know. I can even send it to people who don't have Stumbleupon now that they've added stumble-to-email support.This review is for a previous version of the add-on (4.15.1-signed).