Strand Marketing, an award-winning business-to-business marketing and advertising agency, has announced that David Strand, CEO and brand director of Strand, will be a guest speaker at The Exhibit Source’s “Source Conference” on technology trends in trade show marketing on Thursday, September 13, 2012 at 2:00 PM. The event will be held in the newly remodeled Exhibit Source Showroom, 145 Wells Avenue, Newton MA.