You hit the nail on the head with your assessment of Yo as a "Hello World" app. There's literally nothing else to it. Yo is another example of the tech/startup

You hit the nail on the head with your assessment of Yo as a "Hello World" app. There's literally nothing else to it. Yo is another example of the tech/startup industry drinking Kool-Aid. Nobody would even take this noob app seriously if it wasn't for the fact that it has already gotten funding. I guess the question is whether or not investors are really nothing more than poker players.