The U.S. release of Microsoft’s Windows Phone 7 has been met with less enthusiasm than expected this week. While Microsoft has not published its sales data, it’s estimated by a market research firm that only 40,000 units were sold the first day of its release. In comparison, the iPhone 4 sold 1.7 million units its first weekend and approximately 200,000 new Android devices are activated daily. Read the full story on cnet.com