Hacker News new | comments | show | ask | jobs | submit login

If it was so "easy", why wasn't it invented a long time ago?

Because it made no sense to even contemplate such a feature prior to the availability of capacitive multitouch sensors.

Once the hardware became available, the obvious gesture-based functionality was implemented quickly and independently by multiple engineers.

Guidelines | FAQ | Support | API | Security | Lists | Bookmarklet | DMCA | Apply to YC | Contact