i love the idea. but it needs to be adapted for 141 purposes.
groupon is the source of many complaints in HK, often because the coupons expire before they can be used. imagine that sticking-point in the whirling vortex of WGs who appear and disappear--some never have the chance to become popular.
i think the only real chance is to stick with brand-equity: i.e. the agents. and ay there's the rub: their function isn't exactly in the same legal-ballpark as, say, Yoshinoya. and they too tend to vanish.
i love gp's concept of a forward hedge for the agent and a guaranteed appointment with star-techs. but...the coupons would have to operate on a sliding scale. u want to see the #1 star during peak-hours: that's, say, four coupons. same tech on available sched: three coupons. will accept B&S given one "change" in case of severe incompatibility: two coupons. any girl from the stable, any time: one coupon.
alternatively, we can stick with the current anarchic system, as what i've described above could well be chaos anyway.
JtB