The key answer of exercise 6

Satirical - It follows the style of 'How do you spot a... (Eg. Trekkie)?' articles, and has a humorous tone throughout, with a lot of irony, eg. It's not everyone's goal in life to blend in with techies and So be prepared to make a few comments along these lines if you don't want people to notice that you're NOT one of THEM. In speaking directly to the reader, often with the imperative (DON'T refer to your laptop as 'a lapper'), it has a conversational, even chatty tone. There's a serious message near the end, that people are individuals no matter how strongly you may identify them (or they themselves) with their 'group'.