NY Times on the rise of OpenTable, which wasn't exactly an overnight success. To me, the thing that pushed OT over the edge toward acceptance wasn't so much the public-facing business (let your customers make reservations online) but the software that the restaurants were provided to keep better track of their customers and their habits. It used to be a big deal that Four Seasons Hotels tracked the preferences of all their customers but now any restaurant with the OT system can easily do the same. "Doug Washington, a co-owner of Town Hall, said the notes were not just helpful, they are occasionally indispensable. Next to the name of one regular, who has a habit of bringing in women he is not married to, is an instruction to make sure the man's wife has not booked a separate table for the same day."