I do to an extent. I don't write reviews, but I'll rate books and use it to track what might be good. If you're into sci/fi fantasy I've been reading the Gentleman Bast***s series. Really good. Starts with "The Lies of Locke Lemora" If that's not your scene, what sort of stuff do you read?
I am mostly CIA, FBI, detective thrillers but if I can find something out of that wheelhouse that has a central character to follow for several books I can get out of that zone.