The big drawback to refreshable braille devices has always been their cost. The loose rule of estimation applied to these products has translated into someth...
How long do these last / how reliable are they. I'd love to have a braille display, but since I can see fine $3k isn't worth it, but $100 I'd have one to play with. However if I was blind I might be willing to spend $3k if it is better (note that I am well off and can afford $3k if I really want to - most blind people are not well as well off as me)
If it lasts me a year, that is two days for a blind person. In just a few months the 3k.version is cheaper for them. I don't think quality will improve in a few months, more likely they go bankrupt from warranty claims (if open source develop a bad reputation and nobody uses it)
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