How so?
Then the market blew up and a few big winners ate up all the profit and everyone else died on the long tail.
Today, iPhone exists, but people don’t even think about them much. They just use it.
Pestering someone now about your iPhone app idea is like pestering someone about your website idea back in 2015.
VR movies was a fad. You can date a TV by it's "VR mode" feature on the remote to a few years. No one is trying to sell me VR TVs anymore. That's what a fad looks like.