Foursquare has entered the mostly uneventful period between takeoff and landing. And one of its earliest employees, Tristan Walker, has left the comfort of its cruising altitude in search of the next rocket ride.
Starred is our series that gives you a glimpse inside the inboxes of our favorite entrepreneurs. In this installment, Tristan Walker, business development director at Foursquare, digs up his first email to Dennis Crowley.
"At the end of the day, there is a shift happening where folks have to measure what engagement really means," says Tristan Walker, director of business development at Foursquare. "What is an impression worth? What is a click really worth?" And what about a check-in? AmEx and Foursquare are going to answer that question.