Skype is without a doubt one of the most popular VoIP applications available today. It's free to download and you can call friends, family and colleagues across the world at no charge. However, chances are, even if you are a long time user, you're squeezing the most you can out of this great app. Between add-ons, tweaks to privacy settings, games, and customization options, there are tons of neat things you can do to make Skype a better app for you. Check out our top tips in today's 'Skype Tips, Tricks, and Apps' over on Tom's Guide.