頭昏眼花的老張

目前有17.5億人使用智慧型手機，Google 希望幫助另外的50億人也能迅速擁有。





每個小孩都有筆電 VS 每個人都有智慧型手機，哪一個計畫比較吸引你？以及買不起手機的窮人？

目前有17.5億人使用智慧型手機，Google 希望幫助另外的50億人也能迅速擁有。

硬體、軟體、上網費，這三個關鍵因素如果可以克服，取得資訊與知識的成本將大幅度降低。

喜歡Google做大事的氣魄與遠景，100美元的One Laptop Per Child (OLPC)也許還不夠普及，要看Chromebook與Android One可以cost down到什麼地步。

What if every light bulb in the world could also transmit data? At TEDGlobal, Harald Haas demonstrates, for the first time, a device that could do exactly that. By flickering the light from a single LED, a change too quick for the human eye to detect, he can transmit far more data than a cellular tower — and do it in a way that's more efficient, secure and widespread.