Business cards are an essential and longstanding cornerstone of effective networking. The format is as standard as the medium, a small stock-paper card with basic contact information and, if you're feeling saucy, a witty catch phrase. However, more and more creative thinkers are handing out extremely memorable business cards that toss out old networking conventions and replace them with unforgettable innovations. The very standard of what is and what is not a business card is changing. If you're looking to improve your networking skills by creating a business card that will have people talking, take into account a few of these creative techniques.Add TextureThis is one of the most basic ways to make your business card more memorable. Adding texture to a card engages the sense of touch in a dynamic way, creating another layer of memory in the brain. It may sound silly, but if your business card has an intriguing texture, then the brain of the receiver will have one more thing to notice. Check out this great example. Make Them Share-WorthyHand out a card that people will want to share with their friends or hang up on a wall at work. A simple and clever design on the back might just inspire others to show it to their coworkers. For example, take a look at this great mustache design on the back of a particularly fun business card. This sort of design will have people holding the card up to their face and, in turn, sharing it with others. Check it out here. Make Them DigitalWho says a business card has to be a card? Why not go green and implement digital business cards by developing QR codes instead? QR codes are a popular trend among tech-savvy smart phone users. Demonstrating the ability to use this technology effectively will impress your audience, making your business card (and more importantly, your business) more memorable. Here are some tips on using QR codes. Creating a business card is only limited by your imagination. Making your cards unique will make them more effective networking tools. For more tips and tricks on making business cards, make sure to read this article.