Uber
- Celebrities who kick off larger campaigns are key to Super Bowl ad success, Uber's CEO said.
- Uber's football game ad this year features "Friends" stars Jennifer Aniston and David Schwimmer.
- It's using the spot to launch a broader campaign that will last several months, its CEO said.
Big stars and long timelines are the secret ingredients to making a Super Bowl ad worth it, according to Uber CEO Dara Khosrowshahi.