Link to timeline
1973 - First mobile phone call
1973 - Martin Cooper - inventor of the first portable handset and the first person to make a call on a portable cell phone in April 1973.
I think this was significant since mobile phones are used more now that house phones, and there has been so much development in mobile phone technology, such as touch screen, apps and using the Internet.
1957 - Internet was invented as part of a space program.
I think the invention of the Internet was significant as it lead to the development of being used on home computers and people being able to access information quickly from all over the world.
1990 Photoshop
This lead to new types of graphic design and photography.
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