http://static.guim.co.uk/static/c55907932af8ee96c21b7d89a9ebeedb4602fbbf/common/images/logos/the-guardian/news.gifBy Annika Small. Solving social problems rather than getting rich is the priority for tomorrow's ambitious entrepreneurs. Technology has levelled the playing field, opening up remarkable opportunities for young people. According to a Populus survey, more than a quarter of 16- to 25-year-olds want to set up their own business, and 14% are in the process of doing so, compared with 8% only a year ago. More...