Gillian Shaw talks to Andrew  D'Souza, chief operating officer at Tophat.com, a company that is transforming ho-hum university lectures into interactive learning sessions. Andrew will be in Vancouver to talk at the GROW Conference, August 14 to 16, about how TopHat.com has been successful in attracting top talent and scaling up to meet fast-growing demand from academic institutions in Canada, the U.S. and around the globe.