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Camera phones were mainly created around 2002 after the first cellphones were created without cameras. These were invented to prioritize taking photos while all the basic functions of a phone were present -
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Android was one of the first company's to release a phone that's used across the world today and is currently one of the highest selling phones to date -
Facebook company was invented in 1994 but the social media app wasn't released until 2004. making it one of the biggest social media services of all time -
Bluetooth was TECHNICALLY invented in 1994 but wasn't used at all until 2004 when the founder decided to sell the company for commercial uses