I am using it. I had to turn it off for some sites because it would discard a site that didn't properly save info, so I'd lose data.

Also had to turn it off for youtube because I'd have a stream that hadn't started yet (they can be setup hours before the stream starts), and it wouldn't auto-start because it would get discarded before the stream started so i'd miss some of the stream.

So yes, it helps, but it has it's issues too.