Internet Of Things dot com was a speculative purchase. At the time of registration there was a lot of talk about IOT and how smart devices would take over the world.
I think they have, but the chips are embedded in all kinds of devices and no one needs a manual for them. Product developers have engineers to assemble the hardware and write the software for their individual products, so there is no interest in a manual for the entire topic.
I got an offer $50 above what I paid for this domain a couple of hours after I purchased it. I should have taken it 🙁
IOTManual.com was first registered in 2015.