If you have trouble with Facebook and Twitter, how is Amazon/Google better? They all have great engineering teams, but they also all make money on data mining –

If you have trouble with Facebook and Twitter, how is Amazon/Google better? They all have great engineering teams, but they also all make money on data mining – not the best feature of a login provider (2013-05-30: jrandomhacker successfully logged in to PersistentGenitalArousalDisorder.com … let's show some relevant ads next time his in-laws are near the computer). I'd stick with Mozilla Persona.