Consider these two ideas: answering machines and fax machines. "Why? That's a no brainer," many have said. Remember the business prior to these technologies? It is hard to believe the impact these units ultimately had on the distribution business. It was a fierce battle in the 70's and early 80's getting distributor employees to put in mandatory after-hours work, to order lines and answer machines so contractors could call in their orders for early pick up.
Look at the recent changes in how transactions are conducted. Most people want a worry free and easy method of transaction. Not too long ago, society's principal method of handling purchases was cash. Ever notice lately how many consumers use either a debit or credit card for their purchases? The world is definitely changing.