
Although this is a UK only study, it provides some good numbers on social media as a customer service channel.
I especially like the tips/advice/themes from interviews with both consumers and brands like BT and PepsiCo.
Via: Fishburn Hedges
June 26, 2012

Why chasing storytelling without action dismantles trust, widening the gap between brand promise and customer experience.
How applying experience design principles to lifecycle marketing unlocks the hidden touchpoints that drive retention.
As AI herds marketing toward an undifferentiated middle, brands must reclaim creative courage to avoid becoming invisible, homogenized zombies.