What did IBM do to get customers use mainframes for more functions?

Why did mainframes get their name?

There are no mainframes now in use worldwide.

IBM is the only big firm that still sells mainframes.

What has replaced mainframes since the 1980-s?

IBM has never bundled mainframes with applications at a discount.

Mainframes were dethroned by distributed systems.

Some companies like mainframes because they are reliable and secure.

Why do some companies still run crucial applications on mainframes?

Why did IBM start bundling mainframes with applications at a discount?

In the past decade sales of mainframes brought IBM less than $100,000.