Blake has been an online writer for over four years. He's passionate about video games, science, and entertainment. Hacker groups are informal communities that began to flourish in the early 1980s, with the advent of the home computer. Blake has been an online writer for over four years. He's passionate about video games, science, and entertainment.Hacker groups are informal communities that began to flourish in the early 1980s, with the advent of the home computer.