Not to be a total jerk, but if you think blogging about vacations and cryptocurrency is "concrete," you must be one of those famous, Steemit voting bots that never needs to pay rent and can nourish itself from online recipes. I think technologies that make it cheaper and easier to produce, ship and sell durable goods are somewhat more concrete than poetry and self-congratulatory posts about how great Steemit is. I know this sounds nasty, but blogging is the absolute END of the food chain.