[special]

  > Sorry but no. I doubt it will ever go further 
  > than prototype and wouldn't be surprised if it 
  > never reaches working prototype stage.

People said Phonebloks would never be more than a weak concept but here we are.

  > How?

I meant that users complaining about battery life can be a considered a more general complaint about not being able to upgrade their hardware. If manufacturers start adding better batteries, users will gripe about another component. They could keep plugging leaks like that. Or they can introduce modularity and build a new dam.