Obviously before someone makes this point elderly people are all different and have different tastes. BUT the combination of older people often not wanting to accumulate more 'stuff', limitations around what they can do (making tickets to events / days out trickier) and maybe a preference for familiar food/drink items (ie not 'fancy' options) is a bit of a killer. Given that I figured maybe we could swap ideas around successful gifts that have actually hit the spot.
My really surprising hit last year for my elderly dad's birthday was a subscription to Spotify. He uses it all the time and (apart from the advantage of endless new music) it's much easier for him than managing CDs or LPs as he has limited sight.
Obviously that's solved birthdays ongoing (as I can renew it) but it has on the downside meant that I can't go for my usual default present of a couple of new CDs ... I can resort to Kindle books & a box of chocs but it's not very exciting