No advertising is required for you to host a ‘secret sale’ for all your loyal social media followers. Simply designate a slow-traffic time period to provide a specific discount, and then post it to your Facebook or Twitter account. You can make it more fun by requiring a specific action that your fans and followers must complete in-store to take advantage of your promotion. Try posting a password, providing a printable coupon or asking those students to mention Facebook or Twitter during their transaction.