Given all the trouble with the Obamacare website, we wondered why America’s biggest Internet companies haven’t volunteered to help fix it. (OK, Microsoft’s Internet Explorer team did, sort of, in a recent Tweet, which they then deleted.) Surely Google, Facebook, Yahoo, Amazon, or Microsoft could design a more reliable site than the tangle of federal contractors who have bungled healthcare.gov. On the other hand, we can also envision a few drawbacks. Here’s how we imagine the site might look if each of those companies tried their hand at remaking it in their own images.