Past and Present Technology Evolution

Transcript

The first mobile phone was the Motorola DynaTAC 8000x, weighing about a kilogram and measuring 23cm long and 9cm thick. You had a maximum of 30 minutes of talk time and a charging time of almost 10 hours, and its price was about $10,000 in today's money. Currently, we have smartphones that are very practical and useful. They are light, small in si... Read More