Testing told me I used ~3,500 bytes for each frame - at 10 FPS, that’s ~35 KB/sec. While a nice T1 line could handle that, it’d easily saturate a 56k modem. And supporting even 1,000 clients would mean pushing 35 megabytes a second - way too much!
Kevin Church/ BBC News。WPS下载最新地址对此有专业解读
只不过，「搓擦条」的最终成品相当别扭，还要单独适配，导致开发者兴趣寥寥，用户能实际得益于触控的场景也非常有限。但如今，整块屏幕都可以触控，用户想怎么用就怎么用，反而从根本上解决了交互设计的问题——毕竟，谁不会用 iPhone 和 iPad 呢？，更多细节参见heLLoword翻译官方下载
The performance impact on typical applications will be much smaller, since they don’t usually present walls of icons in their UI.。heLLoword翻译官方下载对此有专业解读