1. Driverless vehicles :

+ a vehicle capable of sensing its environment and moving safely without or without human involvement

+ Increase accuracy and productivity

-disavantage:

+Initial investment costs can be quite high

+Not suitable for non-repetitive jobs

2.Smart watches:

+ fast interoperability

+ allows you to monitor body state as well as health in a comprehensive way

-disavantage :

+ The smartphone platform you are using will make the number of smartwatches to choose from a lot narrower

+ The more features or a nice display on the display, the shorter the watch's usage time

3.Smartphone payments :

• Integrate and increase incentive programs. ...
• Ability to offer credit card payments. ...
• Track customer trends and inventory. ...
• Increase speed of checking customers out. ...
• Save money on credit card fees.

-disavantage :

• Phones can be addictive and spending too much time on them can make you socially isolated from the real world. ...
• Overuse of smartphones has led to the development of a smartphone etiquette. ...
• You will lose your smartphone. ...
• Smartphones are expensive.