If you've put most of your marketing efforts in digital media but ignored direct mail, you're skipping a method of gaining exposure for your business that's still effective. Postcards have a 2.47 percent household response rate, compared to emails' .12 percent, the Direct Marketing Association reports.
If you aren't familiar with QR Codes, they're the square black and white abstract-looking images that you'll sometimes see on posters, ads and flyers. Using any one of the many scanning apps available, you can use your smartphone to scan the code. Once scanned, the "quick response barcode" will trigger the browser on your device to open a specific link programmed into the QR Code.