iMore: Avoid MacKeeper

»I’d posit that if your affiliate marketing strategy is attracting lying douchebags and scum, then you’re the problem as much as they are.«

I hate these ads and therefor the software. I assume there’s a large enough group of switchers from Windows, who learned to be afraid (and probably rightly so), so the first things they install on a new Mac are anti virus scanners and crap like MacKeeper.

Source: iMore