We collect non-personal data to make money from our free offerings so we can keep them free, including:

    Advertising ID associated with your device.
    Browsing and search history, including meta data.
    Internet service provider or mobile network you use to connect to our products.
    Information regarding other applications you may have on your device and how they are used.

Source: AVG to flog your web browsing, search history from mid-October • The Register

Time to quit using that then!