Unacast CEO Thomas Walle and CRO Chris Cunningham stopped by to discuss the growing proximity data market and announce that they just raised their Series A fundraising. The company raised $5 million from several different VC funds. They also discuss which retailers they are partnering with on their beacon technology. Also, on the show Twitch co-founder Justin Kan talked about the live video, esports and the future of Twitch. He’s also running a YC Fellows contest on Snapchat. Tune in for the details. Finally, Christian Borges, Senior Vice President of Marketing for True-X on the future of interactive and digital advertising.