The basic and may be the oldest item that we use to give the basic information of our business is the business cards. And I believe they never will go out of fashion.
I guess that's true.
Nowadays the most popular and functional ones are with a usb integrated; where you can store information on your business; which is quite handly.
However still, the design of the card itself has to be quite appealing for a good first impression.
Yes sometimes less is really more...
One or two hues, no shades, very simple but strong lines, may create the cutest graphical figures.
Check the pictures below, and I am sure you will agree...
Design is the Salt X Pepper of life. It is not a must, but if you have it, then you have the appetite for life.