Well, no, they aren't equivalent but they can, for example, be the difference between general good health and having your teeth rocking in their sockets from scurvy if you can't afford the produce. Vitamin C is also important for connective tissue repair, which means that if you do hard manual labor, a supplement can produce a huge difference in your day-to-day quality of life for a whole lot less money than the produce.
Hostess management put Hostess out of business.
Hostess was in the business of selling sugar and fat in the fattest country in the world, a task akin to selling dung to dung beetles, and they foundered anyway.
I doubt it. Most people do not want to wear glasses. They certainly don't want to wear something even bigger and more distracting on their faces. Throat mic and earpiece I'll buy, or better yet something like the jewel Ender wore to connect to Jane. But a headpiece like Google Glass becoming as popular as touch screen interfaces? Never.
A terrorist with brains still has his edged weapon onboard. A piece of broken glass makes a fine weapon and passengers are free to bring laptops, cellphones, and tablets with glass screens aboard. Break the screen, extract a nice glass shard and all you need is a handle.
Airport security is just a big wank. Think how many people that yahoo at LAX could have killed if he really wanted to. Dozens of people trapped like cattle in the security line waiting for be mowed down.