RE: Reese's FastBreak
I just went to the Hershey's/Reese's website. FastBreak is listed as a current product, and it says nothing about it being discontinued. There is a number you can call (800-468-1714), but all you can get now is recordings. It says the office hours are 9 a.m. to 4 p.m. Eastern Time during the week. If you really want to know, I'd try calling them tomorrow and asking them directly.
Nothing against the clerk you talked to, but I know from retail experience that often times the information passed from management down to sales associates is not completely reliable.