I just spotted this today and thought it was a fabulously intriguing idea for employee engagement - essentially a play on the water cooler moment and our love of a chat, combined with our terribly British loathing of saying hello to strangers! Its an initiative at Nesta where you sign up, and get matched with someone at work to meet for a coffee to talk shop (or not). The only thing that's not to love is the name: Randomised Coffee Trails, or RCTs. Well, they are very clever over at Nesta.