Nowadays people seldom send out the cards for celebrating and blessing
their friends, relatives and acquaintances.
It's because we seldom write down any of the pieces.
As you may know, the book store is falling behind and gradually shrink
of their sales volume in the modern world.
All of the causes are that we don't need the hard copies or papers for in
future.
What if all the paper are missed?
We depend on internet for dealing with the documents and we don't need
the paper-based documentary.