The first mobile phone call was 75 years ago – what it takes for technologies to go from breakthrough to big time

The ubiquity of mobile phones is a defining feature of the 21st century, but it's been possible to place a phone call on the go since shortly after World War II.
Read more: https://theconversation.com/the-first-mobile-phone-call-was-75-years-ago-what-it-takes-for-technologies-to-go-from-breakthrough-to-big-time-162753?source=Snapzu