we will be meeting up for this in Sept...
http://www.ad-tech.com/ Exhibit Hall Free to the public, ad:tech’s vendor exhibition hall offers attendees a highly efficient “one-stop” opportunity to reach out and touch every type of technology employed in digital marketing today, including; search marketing and optimization technology, metrics/analytics software, ad serving technology and networks, mobile marketing, research, affiliate programs, campaign management, data analytics, and much, much, more.
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Still deciding on the next meet up for June or July...