Why do people collect ephemera? The've taken care of by digital alternatives?

What makes a person to collect all the days of printed matter, such as train tickets, postcards, theater programs? With advances in technology, will be new forms of digital ephemera appear?

and it can be scanned in the future. (For some it .. I do not know why a person thinks about all things. I collect things only to realize that I'm sick of it accumulate and dispose of, sell or give ...): D I have a friend who works at the museum unamed () and they scan the information to be scanned. All this is historical documentation, in a form or another. I'm not sure if things digital will more .. which is quite .. Well, in the next 50 years I mean.: D

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7 Gypsies VINTAGE Ephemera Tags Tickets Postcards 15pcs    US $6.95

1 Yard Vintage Beverage Tickets Ephemera    US $3.00

1 Yard White Vintage Carnival Tickets Ephemera    US $3.00