Vistar is busy forging relationships with companies that operate digital screens in stores, malls, elevators and other public venues.

WSJ: Auction System Helps Place Digital Outdoor Ads

There were fire alarms and flashing lights on each floor, and a public address system instructed us to take the stairs, not the elevators.

WSJ: Way Too Much God

According to public records, Mr. Hirshberg's 11, 374-square-foot home has two elevators and a pool, and Mr. Wallette's Spanish-style home, which was built in 2009, has marble countertops and an outdoor kitchen and bar.

WSJ: From Oil, a Land Rush��WSJ Mansion