Yes, when I wrote "personal memories can be made in innumerable ways" & "I don't think they care about the medium", this is what I meant. Tickets, specifically,

Yes, when I wrote "personal memories can be made in innumerable ways" & "I don't think they care about the medium", this is what I meant. Tickets, specifically, aren't unique in this regard, and the absence of tickets doesn't imply the absence of physical objects to contain memories.