As if frequent flyer programs weren't complicated enough, now there are new tiered programs from the so - called budget carriers. (petergreenberg.com)
It's also possible to buy new tiers individually so you can play them immediately. (theguardian.com)
Using «seasons» to introduce new tiers of items is a concept introduced to me by Steve Fowler, who heads up [a] list games at Ayzenberg. (alistdaily.com)