To try to save usage, I've recently enabled adblocking for my network at the router (witha subscribed blacklist), and also am using adblocking DNS servers. I have Hughes' Web Acceleration enabled. Over the past four days, my usage reported by Hughes has averaged 500 MB per day higher than that reported by my router (2 GB discrepancy in four days, over moderate actual usage reported by my router of about 800 MB day). Is there any conflict between Hughes, AdBlocking, and Web Acceleration?