Large comparison of NFC, cloud and closed system frameworks

NFC, cloud and closed systems are the mainstream of mobile payment frameworks. Developers must master the advantages and disadvantages of these three to create a mobile payment system that consumers are willing to use.

Good hardware free? Konka TV: not realistic

At present, there are a number of 0-yuan televisions on the market, attracting users with free gimmicks. It seems that there is no need to spend money. Actually, many programs on TV need to pay for viewing. With low prices occupying the market and dumping at any cost, i