Hostess is going out of business, which means that Twinkies are going away for a little while (at least until another company buys up the brand), so people are not only tweeting like it's the apocalypse, but telling a bunch of jokes around how they will probably survive the apocalypse. Here are the best tweets, Reddit images and Tumblr photoshops about Hostess, and therefore Twinkies, going out of business forever. Which is how long people think the packaging lasts.
Twinkies Will Survive a Nuclear Apocalypse
To start off, this is a false rumor and we all should know about it. Now you can be "that guy" or "that chick" at the party who corrects someone on this in a socially unproductive way.
Twinkies have a shelf life of 25 days. This is a fact.