After you get big or die or get acquired.
Re:Boxee Acquired By Samsung For Around $30M
by AndrewDucker on Saturday July 06, 2013 @04:59PM
(#6000051)
When you are self-sustaining. If you spend 9 years living off of investors then you're still a startup.
So after 9 years of business they are still considered a startup? At what point do you stop being a start up?