the year when bubble memory was brought to the market by texas instruments, the market between office and data transmission was called "no man's land", the rental charges for a terminal with some text formatting capability droped to $40 per month and time sharing charges was $0,15cpu second and $2 per hour connecting time.

not to forget, the pricing model for software packages was called a black art. one model was "long term, non purchase leases, a tactic tried already in the early days of proprietary software, but few were able to go the distance ...