In reply to Ernst van der Ploeg.

Starbucks system is a closed system used by them alone; what use Starbucks would get out of such info any way, I can't imagine; what are they going to do, bombard me with discount coffee and cake offers; frankly, I don't want to be bombarded with such marketing rubbish; and I don't drink that much coffee that I need a loyalty discount ...

MCX—LOL; it will be still born or will die shortly thereafter ...