Getting LN into mainstream POS systems will go a long way. Maybe one day square will add bitcoin to their system 

m00ninite

What needs to happen for the Bitcoin ecosystem to be ready?

What tools need to be build? How much Lightning needs to scale? What percentage of a community needs to own at least some bitcoin for them to switch?

None of that. Just adoption from sellers. There are enough people to buy with Bitcoin. There are few things you can buy with Bitcoin - except for novelties where you can buy with Bitcoin for the sake of buying with Bitcoin!

bitcoin

What's needed for Bitcoin to be ready?

phaedrus

> What needs to happen for the Bitcoin ecosystem to be ready?

> What tools need to be build? How much Lightning needs to scale? What percentage of a community needs to own at least some bitcoin for them to switch?

None of that. Just adoption from sellers. There are enough people to buy with Bitcoin. There are few things you can buy with Bitcoin - except for novelties where you can buy with Bitcoin for the sake of buying with Bitcoin!