Hi, as the title suggest, why not making PrivDog available for Opera user as well? I believe Opera occupy like 4% of browser market, so the potential is there.
As you already aware Opera has shifted to Blink engine since Opera 15 but there are lot of user still prefer the old Presto engine (Opera 12). If possible, make it available for both version. I think it can be done since DoNotTrackMe, Disconnect and many other tracking protection are able to do so.