Evolution of mobile devices By chriswelbers12345 Apr 3, 1973 The world’s first mobile phone call was made on April 3, 1973 Jan 8, 1980 1980: There were about 3.2 million pager users worldwide Jan 27, 1990 The first PDAs were developed in the early 1990s as digital improvements upon the traditional pen-and-paper organizers Jan 27, 2000 Smartphones changed the landscape of mobile technology they are more advanced than basic phone. Jan 27, 2010 Since 2010, smartphones have had a new rival: tablet computers. they are like bigger mobile computers.