For those of us who can remember a time when there was (gasp) no Internet, it’s hard enough to navigate the technical issues of social media, let alone the lingo and trends. Do you know your Social Media Speak? By now, even novices know that LOL stands for Laugh Out Loud. How about TBT? What about MCM? Turns out, in the world of social media, there are themes for what to post on the days of the week.