Five gadgets that could have and should have done better

This week’s Engadget column is all about gadgets that could and should have done better? What would you add to the list?

For every VHS, it seems there’s also a Betamax — a gadgets or standard that just didn’t live up to the expectations of the mass market at the time. Despite being loved by niche audiences, these folks just didn’t have what it took to make it to the big time. Here I celebrate some of my favorite gadgets and technologies that just couldn’t catch on with the populace at large.