[jeffersondem]

“Nobody but nobody uses such terms (tally book) today.

Nobody but the people that manufacture them. And distribute them. And retail them. And purchase them.

You should really get off the campus more often.

http://tallybook.com/

[BroJoeK]

jeffersondem: "Nobody but the people that manufacture them.
And distribute them.
And retail them.
And purchase them."

A niche market perhaps.
So I'll take it as your clue to us, your background is very small business indeed?