The 90s! The dawn of a hybrid of pop/counter-cultural archetype: the Cyberpunk. Many strived to include themselves in the ranks of these rebels. If only they'd had this graphical rubric guiding them.
The guide comes from the pages of Mondo 2000, a cyber-culture magazine that ran in the 80s and 90s. We are deducing the approximate year of this page to be around 1993, based on the tech featured.
With devices such as a hand-held scanner and Sony Minidisc, you can troll USENET with confidence in your real-world get-up. Now someone just needs to make an evolutionary chart that shows how in the world we got from here to brogrammers. [NerdCore via BigFatBird]