Since Windows 7's release in October 2009, Microsoft's latest operating system has attracted critical and popular praise for its significant improvements over previous versions of Windows. Windows 7's improved touch interface support is well-suited for many applications that employ touchscreens, such as those in the kiosk, medical, field service, transportation, and military fields. In the following, we introduce touchscreen technology and market share in detail.  
         
 
One of the most important features of Windows 7 is Multi-touch, which in recent months has been the subject of many articles. But does the multi-touch technology offer anything new? In fact, touchscreens play a central role in many applications, including ATMs, kiosks, and cell phones.
But most touchscreens only support single touch. Multi–touch is supported by some cell phones, but not desktop PCs. Windows 7 is the first desktop operating system to support native multi-touch technology, and defines the standard platform for hardware and software vendors to follow.  
  For desktop users, the key issue is cost. Vendors need to develop products at a competitive price and with killer applications to attract end-users, which is why most desktop PCs and notebooks do not use multi-touch features. But this feature is still useful for specific markets such as digital signage, kiosk, and ATM, because multi-touch has the potential to provide a better user experience.  
     
  The multi-touch function in Windows 7 is based on a standard platform, allowing vendors to focus on their application and forget about developing their own proprietary protocol. In particular, the public service market can use the new user interface to attract more users. It’s a good idea to learn the details now and develop new products to support Windows 7’s multi-touch options.