Of course not. Leather is the skin of an animal, and has been used by mankind since we lived in caves.
The internet was invented in the 20th century, specifically in the late 1960s with the development of ARPANET, the precursor to the modern internet.
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It was invented in the 1970's
Information taken from wikipedia.org - The first subwoofer was developed during the 1960s by Ken Kreisel
Ultrasound technology was first discovered by Paul Langevin and his assistant in 1916. Sonar, a similar technique, was then developed during World War I. The medical applications of ultrasound were later developed in the 1950s and 1960s.
in the early 1960s
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Virtual memory was invented in the early 1960s
it was at least invented in the 1960s
the Romans invented football because they used leather in those times and used leather to make footballs
The US Department of Defence Advanced Research Projects Agency (DARPA) invented the internet in the 1960s. However, Al Gore(D) lied during a campaign and claimed he "created" it.
The computer mouse, and the lazer