No7. Self-driving Google car

[Photo/ Xinhuanet.com]

It has been a tough road for Google to research self-driving car. However, the search giant insisted on producing it. Thanks to the improvement in the genius of Google X, a secret lab in Google; we expect to see Google self-driving car in the near future, which can eliminate the fears about safety, such as fatigue driving, drunk driving and driver's error.

No8. iPad

[Photo/ apple.com]

Other tablet PCs have come out before iPad, but people seldom used them. Like the iPhone, it established the standard in appearance and function for all pads.