当冰箱、彩电、大沙发甚至高阶辅助驾驶逐渐普及，成为同价位竞品的标准配置，早期建立的领先优势难免会被稀释。当表层配置的差异越来越小，真正的差距只能从系统底层重新拉开。
So much for my "one weird trick" to getting better at 1-2-3.Level upIn 1962's Diffusion of Innovations, author Everett Rogers described five characteristics individuals consider when adopting new solutions to existing problems. If VisiCalc was the "existing problem," how well did Lotus 1-2-3 make its case as the "new solution?"
，详情可参考新收录的资料
#wigglypaint posts; countless users are enjoying WigglyPaint and actively posting their drawings, sometimes streaming themselves or even drawing wiggly commission pieces for one another. It’s wonderful to see this human creativity on display, and I’m truly happy for those users.
唐納德·特朗普在週二晚間發表了一場充滿戰鬥性的國情咨文報告，他宣稱美國正經歷「多年來最偉大的逆轉」（turnaround for the ages）。在民調顯示許多美國人對國家現況——以及特朗普的領導——感到不滿之際，美國總統並未透露任何改變路線的跡象。相反，他向全國進行了一場銷售推銷，對忠實支持者發出愛國號召，並嘲諷政治對手。