Gigaoam reports that Google employees are in that phase where they can exercise their options, lock in their profits and high tail out of the Googleplex. With their Mansions and Maseratis paid for, it is time for them to go start something new. Take for instance Cuill, a search start-up co-founded by Tom Costello and Anna Patterson and rumored to have raised $10 million from Greylock Partners.And there is Ooyala, a startup that offers video content management and clickable video interfaces. Today Liz dug up another new start-up, Howcast started by former Google Video guy Jason Liebman