Remember the rotary phone? Can you imagine kids using one of those today? Their heads might explode just waiting to dial the next number. Rotary phones are so yesterday. And even the newest of newfangled landline phones are soon to be obsolete, too. What else have we lost or are about to lose? On the next Sound of Ideas: Obsolescence. Goodbye chalk boards and checkbooks. And while cash is king now, will it soon be deposed? Join host Mike McIntyre for a look at the past, the present and the future.

Guests:

Anna Jane Grossman, author, Obsolete: an Encyclopedia of Once-Common Things Passing Us By

Jared Bendis, Creative New Media Officer, Case Western Reserve University

Marina Gorbis, Exec. Director, Institute for the Future