"It seems to me like it's going to be kind of impossible to be careful of usefully without an idea what might go wrong, so we should go ahead until something does go wrong and we actually know what problem we're trying to solve," Meritxell says.

"It seems to me like it's going to be kind of impossible to be usefully careful without an idea what might go wrong, so we should go ahead until something does go wrong and we actually know what problem we're trying to solve," Meritxell says.