I've written before about my belief that strategy and marketing are intimately intertwined, most notably in respect of defining who one's customers are likely to be. So, it was interesting to hear many of the entrepreneurs at a start-up competition get this wrong and define themselves as tech businesses.Maybe influenced by two oft-cited UK success stories tech businesses that aren't actually tech busineses. They may use a lot of technology, but Moo is a printing company and Moshi Monsters is an entertainment company and they're both very sure of...