These young people today all have attention spans of 5 seconds and have eGadgets that make them send and read lots of messages that mean very little.
With all this twitter and facebook nonsense, going viral means that a particular info blob has spread through the web like a virus. This phrase annoys me now. Firstly, because it is getting old. Secondly, because it refers to viruses, and not any other type of life. Finally, because it disturbs me that in this world of buzzing nonsense communication, there are meaningless snippets that undeservedly get instant global distribution.
Going viral is never an accident. What goes viral is entirely determined by those whom know how to spread these things, like the gossipy old women that used to do the job before electronic communications.