News of Note—Facebook, NBCU, Hulu and more

> Facebook CFO Sheryl Sandberg this week said that the company is working with some of its advertisers to develop shorter ads, some as short as 6 seconds. FierceOnlineVideo story

> NBCUniversal CEO Steve Burke said during Comcast’s earnings call Thursday that the OTT services that have launched so far are doing as well as NBC expects them to but said that they weren’t “material to our business.” FierceBroadcasting story 

> Striking a deal with Warner Bros. Television, Hulu has acquired the exclusive SVOD rights to more than 800 episodes of shows from ABC’s 1990s TGIF lineup including “Step by Step,” “Perfect Strangers” and “Hangin’ with Mr. Cooper.” FierceOnlineVideo story

> Private equity firm Hawk Capital Partners said it has purchased DIY home security product maker LifeShield from DirecTV. Multichannel News story

> Virtual reality startup Altspace VR, which billed itself as “social VR” and is backed by Comcast Ventures, is shutting down August 3 because it can’t secure additional funding. Multichannel News story