Four Experimental Extensions to ...

lifehacker - You can find a lot of great stuff on the bleeding edge, and Firefox extensions are no exception. Here are four add-ons for the browser that aren't officially approved, but worth checking out.

As noted in the headline, the extensions we're pointing to are both unapproved by Firefox's maker, Mozilla, and require creating an account or logging into it. And none of them should be installed on the copy of Firefox you use at the NSA or nuclear research center, and should otherwise have their benefits weighed against some potential crashing or browser malfunction. That said, most experimental extensions are just waiting for a final go-ahead from Mozilla, and can be pretty darned useful.

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