Read all about it on Techcrunch today. And it's called Seesmic !
I've known Loic for 10 years now, and congrats first on being a serial entrepreneur !
His first company was a web agency (B2L), then a hosting company (Rapidsite France), then an incubator (BusinessPace), an online Exchange for SMEs (Marketo), a convergent communication system à la j2...
He's now on a full online model, mixing up 3 strong trends of the internet : online video (like ourselves), live content and social networks.
I haven't reviewed the service yet, but as for all our friends, we wish him well. He's succeeded many times in the past, no reason that he hasn't cooked up a real plan for his new venture ;) ...