"[F]rom this liberty of each individual, follows the liberty, within the same limits, of combination among individuals; freedom to unite, for any purpose not involving harm to others: the persons combining being supposed to be of full age, and not forced or deceived."
- John Stuart Mill
The text message turns 20 SMS is a simple, elegant solution to the need to communicate asynchronously in small bursts. Seems almost silly that it took so long to develop.