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In 1837 Samuel Morse invented the telegraph. the first message sent on the telegraph said "what hath god wrought?" https://school.eb.com/levels/middle/article/Samuel-FB-Morse/275943 -
In 1876 Alexander Graham Bell patented the first telephone. the first words said on the telephone were “Mr. Watson, come here. I want to see you.” https://school.eb.com/levels/middle/article/Alexander-Graham-Bell/273160 -
In 1937 George Lum invented the model 302 telephone. This model was very popular until the mid 50's. https://www.si.edu/object/model-302-telephone%3Achndm_1994-73-2 -
The first phone in a car was demonstrated in 1946 and weighed 80 pounds. By 1948 they had around 5,000 costumers. https://www.smithsonianmag.com/innovation/first-mobile-phone-call-was-made-75-years-ago-180978003/ -
In 1964 the first "picture phones" where invented by ATT. They included audio and visual communication but they were not very common until the late 90's because of their price. https://www.factcite.com/useh/4002566full.html -
In 1973 Martin Cooper made the first cell phone call. The phone he invented was the size of a brick. https://www.npr.org/2023/04/03/1167815751/50-years-ago-martin-cooper-made-the-first-cell-phone-call -
The first smartphone was invented by IBM witch, in 1993, was sold by Bellsouth. It consists of a calendar, address book, calculator, and other things. https://school.eb.com/levels/middle/article/smartphone/570926 -
In January 2007 Steve Jobs presented the first iPhone. later that month he release it at $499 for the 4GB version and $599 for the 8GB version. https://www.smithsonianmag.com/innovation/from-the-brick-to-the-iphone-the-cellphone-celebrates-50-years-180981910/ -
In 2008 T-Mobile introduced its G1 smartphone. This was based on Google's Android OS. https://school.eb.com/levels/middle/article/smartphone/570926 -
I think that in the year 2040 holographic phone screens will come out.