The Top 5 Twitter Memes Authors Need To Know    Let’s get this out of the way first: it’s pronounced meme, like theme. Here, listen to this: http://youtu.be/3dErjFPTarc (it’s Greek — go argue with them).   Meme can mean a lot of things, like a viral pic (remember ‘ridiculously photogenic guy?’), video (the infamous RickRoll),…