Regardless of your role in a company, there are a few key digital marketing acronyms with which you should be very familiar. If you stop and think about it, your buyers in the foodservice industry are engaging with you online like never before. Understanding terms like Search Engine Optimization, Search Engine Marketing, and Social Media Marketing will only help your company continue to grow. So what's the difference between SEO, SEM, and SMM? Let's take a look at all three.