The cellphone turns 40-years-old this week.
This week in 1973, an inventor made the first call on a mobile phone using a prototype Motorola DynaTac.
The historic call took place in
The original DynaTac was 10 inches long and weighed 2.5 pounds. Now, most modern smartphones weigh between four and six ounces.
How long do you think you could go without a cell phone before you went bonkers? Feel free to comment below.