From the pages of "my-god-it's-so-simple-why-didn't-I-do-that-first" comes these spiral ballpoint pens, which hold double the amount of ink in their tightly-spiralled coils. But let's do the math. Are these going to save our fine planet from drowning in landfill? Let's look:

Uh-huh, so far so good...

Ah yes, I see! I can also anticipate even more running-out-of-ink fun, when we attempt to warm up the cartridge to get the ink flowing again, by rubbing it between two palms. Eco-friendly and fun. (I probably need to get out more, I know.) [Yanko Design]