I'm curious about Carsabi (http://carsabi.com/ http://carsabi.com/). They said to be acqui-hired by Facebook in the news. But their website was a registered tra

I'm curious about Carsabi (http://carsabi.com/ http://carsabi.com/). They said to be acqui-hired by Facebook in the news. But their website was a registered trademark for Ark.com Inc. Can't find a news about Ark's acquisition to its website. Can someone tell me the story about it?