How Long Does It Take to Hit 50 Million Users?

https://gyazo.com/9c9dcfeeed8c53e1fa6c4cfa2ea883e7

table:List

Airlines 64 years

Automobiles 62 years

Telephone 50 years

Electricity 46 years

Credit Cards 28 years

Television 22 years

ATMs 18 years

Computers 14 years

Mobile Phones 12 years

Internet 7 years

Facebook 4 years

WeChat 1 year

Pokemon Go 19 days