Dave also mentioned:
Quite frankly, I'm not too keen on making 10 social rolls in a 10 minute time frame to resolve an interaction.
4) Maybe the biggest change that we're contemplating is that no matter where you are on the roll-talk continuum, it's going to be more than a single exchange that determines whether you overcome the challenge. Or at least let me put it this way: A single exchange is as likely to determine a social outcome as a single attack roll is likely to determine a combat outcome.
Quite frankly, I'm not too keen on making 10 social rolls in a 10 minute time frame to resolve an interaction.