Fast Hadamard transform (FHT) is a basic transformation in digital signal processing, which is widely used in mobile communications and Multimedia coding.

快速哈达玛变换(FHT)是数字信号处理中的基本变换之一，在移动通信、多媒体编解码中得到了广泛的应用。

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For instance, HTML5 supports geolocation, makes Web forms easier to fill out on your phone, supports coding scripts that enable custom features, and it also loads multimedia elements faster in Web pages.

CNN: Phone, tablet users spend more time with apps than Web