The 3-digit security code on your credit card is for, well – security. But does it really do anything to keep you secure? We’ll explore that on today’s episode.

Plus, social media marketing is supposed to be the way to go for brands who want to reach those desirable consumers. But does social media marketing work better than other forms of marketing? Marketing consultant Ed Keller, author of The Face-To-Face Book: Why Real Relationships Rule in a Digital Marketplace (http://amzn.to/2pBNaMP) explains why social media marketing doesn’t live up to the hype – AND what works better.

Also, there is an interesting and somewhat strange relationship between your sense of direction and the likelihood that you will develop Alzheimer’s Disease. It’s worth knowing this if you have a bad sense of direction or have trouble visualizing a mental map.