In the old days, almost everyone in town offered a senior discount, and almost every senior knew where to find one. But times have changed — not only does not everyone offer one, anymore, but many people do their shopping at national chains, or online. If you’re looking for a senior discount, here are a couple of sources: The Senior List has a pretty good assembly, and it’s worth checking out. SeniorDiscounts.com requires registration, but claims to list over 250,000 local retailers providing discounts. And of course, there’s the old stalwart, AARP, which has several discounts.