[youngtaff]

But would you get to the modern cellphone without the bulky ones?

Also did the bulky ones not catch on because they were bulky, or because they were expensive or ...?

[kevinconroy]

Exactly. This is version 1 of a entirely new product. Of course it will evolve and iterate. Imagine if they can reduce it to a contact lens or build it into completely normal looking (Warby Parker) glasses.