May 22, Twitter officially announced the acquisition of the pull-down refresh technology patents, the patent is made a year ago. Although the company has repeatedly described the patent only to protect themselves, and will not be used to initiate the proceedings, but no doubt it or is a threat to the industry.
This operation was first proposed by the pull-down refresh Twitter’s founder (Loren Brichter) invention. Now it has been very widely used in various applications, such as Sparrow, Facebook, Sina Weibo, and even IOS native system.
Some examples of pull down to refresh:
Through this method, the companies can emphasize their brands. It also give a information that the software is updating for users. If you add pull down to refresh in app, it makes fun to customers. This action always uses in Mobile app. Thus, if we design a app in cell phone, we can use this method.
