TORONTO - Less than three years after coming to market, Wind Mobile says it now provides wireless services to more than 500,000 subscribers across Canada. Wind, owned by Globalive Communications, launched in December 2009, Mobilicity and Public Mobile entered the market in the spring of 2010 and Quebecor's Videotron later that fall. It’s estimated that the four new wireless entrants will capture about 5% of the Canadian market, or about 1.3 million subscribers, by the end of this year. "We've worked hard to get to where we are today and I'm so proud of our team and everything we've been able to...