going, going, gone

 You can have something traditional and boring on your gravestone, like "here lies beloved xxxxxxx",
OR use some of the following as an inspiration........

I am ready to meet my Maker.Whether my Maker is prepared for the
great ordeal of meeting me is another matter.

Winston Churchill

"I was somebody.
Who, is no business of yours"

Anonymous

You could make a joke of the whole thing

Here's one for Nerds

An maybe they will be like this in the future >>>>>>>>>>

more about Bar Codes another day :~))