Divisive politicians and industrialists scramble to establish a colony on Europa in the wake of a dying Earth. Can they maintain their precarious alliance long enough to survive?
I wouldn’t go more than five ideas at once. You want your profile to be a bit focused instead of spread out. Let’s say one of your ideas suddenly gets a big number of followers and you have twenty ideas, the other nineteen are going to suffer from the success of the one. Keep it focused on a few, keep the rest of the ideas on the back burner.