"Maybe you notice some resistance to letting your child, be they a baby, a toddler, or even an adult, affect you. This is called diaphobia, a phobia of real dialogue, of being impacted by others, a fear of being 'done to.'"
- Philippa Perry
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.