like internet of things, does it mean a direct communication between objects at a distance without using internet?
Discussion
Kind of! I believe internet is (or can be) still involved, depending on context. Check out nostr:npub1a8jzweysxa9qmtmht874736aalm0lwdsl306nrys9d05ktlrhw3qcr5pj4's work using Lightning/zaps to activate home electronics….
