This isn't accurate. The first mobile phone came out in 1983. It took at least a decade before they started to become common.
Mobile phones at that time were 800g and cost $4000. Using your logic you could say we are almost 20 years into the age of LLMs because Cleverbot was released in 2008.
Mobile phones at that time were 800g and cost $4000. Using your logic you could say we are almost 20 years into the age of LLMs because Cleverbot was released in 2008.