A cluttered desk has been shown to be subconsciously stressful and distracting to work. I don't think a box of random things showing up every month is going to help that. Either more stuff will accumulate on your desk, you'll have more things to organize, or you'll be sending more crap to a landfill somewhere.<p>It sounds like this service belongs in the 80s or 90s. Books? Pens? We don't really need these anymore, and it's not actually environmentally conscious to be manufacturing and mailing these things around. And who doesn't already have enough T-shirts?<p>These days, it seems like if you were to subscribe to a monthly service, it should be something custom-designed to solve your particular problems, not designed to be helpful for a hypothetical "typical" developer.