Not a miscellaneous brand. According to reports, Champion Lang is an e-learning product group company integrating production and sales. The company is registered in the market supervision department, not a miscellaneous brand, and the brand is very guaranteed. In the late 1960s, AlanKay of Xerox Palo Alto Research Center put forward the concept of "Dynabook". He imagined that it was a computer that could run with him, and its main function was to help children learn. In order to develop Dynabook, Allen even invented the Smalltalk programming language and exhibited a graphical user interface, which is the prototype of Apple Macintosh. However, due to various objective reasons, the center does not support this idea. 1September 1989, GRiDSystems successfully manufactured the first commercial tablet computer and named it GRiDPad.