When did the phenomenon of network words begin?

1. As early as the rise of the Internet and the intelligentization of mobile phones, 20 13 to 20 14 network terms became popular.

2. Network language: a popular informal language on the Internet. Most of them are homophonic and misspelled words, and there are pictographs, which usually come from popular expressions in film and television networks. Nowadays, it is more because of a social phenomenon that some accepted statements have been produced.