most important modern inventions
Most important inventions of the 21st Century: in pictures. Bluetooth (2000) Bluetooth technology was unveiled in 1999, but it wasn't until the start of the 21st century that manufacturers began to adopt it in mobile phones and computers.
Most important inventions of the 21st Century: in pictures. Previous slide Next slide 1 of 19 View All Skip Ad. Bluetooth (2000) Bluetooth technology was unveiled in 1999, but it wasn't until the start of the 21st century that manufacturers began to adopt it in mobile phones and computers.