
Photo booths, like the one used at the February Billboard relaunch party in New York, that encourage guests to share moments from an event to social networks can help boost R.O.I.
Photo: Courtesy of Track Marketing Group

At the N.F.L. Experience leading up to the Super Bowl in February, gesture technology allowed fans to throw virtual football passes in a game sponsored by Pepsi.
Photo: Courtesy of Brightline Interactive

UtherConvention attendees could peruse three tables of virtual gift bags.
Photo: Courtesy of Utherverse World Development