The phrase "adopter stage" refers to the point in time when someone starts using or embracing a new idea, technology, or concept. It is when a person begins adopting or accepting something new. Full definition
«We're at the very early adopter stage right now.» (educationnext.org)
The «iPhone consumer» is a really nebulous concept — it's grown past the early adopter stage now, but app purchasers are still probably broadly tech - savvy consumers. (slidetoplay.com)
Bitcoin and the entire cryptocurrency sector have developed significantly over the last few years and we are moving forward from the early adopter stage. (invesdor.com)