Just been reading that both AVG and Avast are phoning home with far more info on you, the user than is good (for you! )
All the more reason to spend a couple of quid (average of £35.00 (UK) annually)Avast & AVG extensions, when installed in your browser, track the URL and title of every webpage you visit, and how you got to that page, along with a per-user identifier and details about your operating system and browser version, plus other metadata, and then transmit all that info back to Avast's and AVG's backend servers.