The telephone destroyed the telegraph
By Dan Alexandrudantesoft. Friday, February 6, 2009 9:46:11 AM
Here's why people liked the telegraph: It was universal, inexpensive, asynchronous and it left a paper trail.
The telephone offered not one of these four attributes.
If only mobile phones offered inexpensive way to communicate asynchronously.
Pictured to the right: eco-neighbuzz, an apartment buzzer & intercom system with additional features.