Some people might say this has already happened. For me, it's very very rare for an incoming voice call to be a friend - 99.9% of them are from businesses, and

Some people might say this has already happened. For me, it's very very rare for an incoming voice call to be a friend - 99.9% of them are from businesses, and I prioritise them accordingly. I sometimes realise my phone is on silent, and think "Oh yeah, I was out to dinner or at the movies 3 or 4 days ago, and didn't remember to turn the ringer back on..."