They aren't equivalent, but are similar. I was offended by their business model (pay to get your competitors ads off your support page - wtf) and would never us

They aren't equivalent, but are similar. I was offended by their business model (pay to get your competitors ads off your support page - wtf) and would never use them for that very reason. I must admit it's a pretty impressive model regardless. It's like something Mr Burns would come up with :)