Article - 18 Social & Local Marketing Ideas Based on the Consumer Journey
Personally I love the SMS after the sale with a bounceback coupon. Not sure if any of the white label sms providers are offering this but could be a great way to get people back in.
Also the emailing the receipt would be a great way to promote a bounceback coupon as well as asking them to join the VIP email and/or SMS clubs.
18 Social & Local Marketing Ideas Based on the Consumer Journey - Search Engine Watch (#SEW)