How to see what's going to clobber you as you text - Holy Kaw!
Think of it as Augmented Reality finally making sense. So what if it doesn't load information on the fly? What matters is that I can actually see what's in front without taking my eyes off my phone while I text.
It might not be as fun as Bejeweled. But seeing how people have found themselves in bad situations as a result of texting while they walked, this is a pretty good idea.
Lesson of this story? Good ideas can be found even in a crowded space of innovation. You just need to be answering, as simply as possible, "what's really useful?".