What Are Facial Expressions?

Facial expressions are a vital part of communication. What's funny is that most people talk about facial expressions, but they don't really know what they are. This post examines what facial expressions are in the context of nonverbal communication. Facial Movements Before we can even get into what facial expressions are, we have to understand the idea of "facial movements". A facial movement is the movement of one or more facial muscles. For example the zygomatic major muscles contract to … [Read more...]

What is Social Engineering?

When I tell people what I do I get a lot of mixed reactions.  I've heard everything from "that's cool" to "that's creepy".  This is probably because there are a lot of different definitions of social engineering out there. A lot of these definitions come close to the point, but they usually miss a few key items.  Here is the definition I use when people ask me "what is social engineering?" Social engineering is the attempt to manipulate human behavior There are three key parts to this … [Read more...]