3 reasons Mango could interest you in buying a Windows Phone

Microsoft demonstrated Tuesday at least 20 of the 500 ways Mango is better than Windows Phone 7. But even 20 improvements is too many for most people to easily comprehend. (However, Lees promised even more Mango demonstrations in coming months before Mango is ready to be shipped in the fall.)

Here are three reasons why Mango might help Microsoft sell more Windows Phones, pulling it up from its current fifth place in the smartphone OS rankings. If these reasons don't persuade loyal Android or iPhone users, they might attract first-time smartphone buyers.