1. No flying on vacation and only simple camping as vacation 2. No technology: Computers, phone, television. Nothing, and no associated costs with subscriptions, etc. 3. Eat like it was the 60s, mainly potatoes (I am from Northern Europe).
That said: I truly believe in the parent commenters key idea. We need to create more real prosperity for people. But in order to do that, we need to adjust the activities – Marketing and expensive dead-end projects (read: projects that occupy a lot of person-hours) does not achieve real prosperity.