<A target="_blank" href="http://www.zdnet.com/blog/microsoft/windows-phone-tango-to-be-microsofts-lower-price-point-operating-system/10294">There has been a lot of talk about the 'Mango' patch for WinPhone7.</A> But there is also a 'Tango' release targeted for "lower-price point" phones, perhaps in Asia.