And for sure, it's hard to change behavior in general. It's been hard for me—and I made this product. Sometimes I send a message to someone and I'm like: "Why did I sent that instantly?" But I've been improving.
For Pony to be successful at some kind of scale, there will need to be "influencers" (aka "leaders"?) who help makes this someone of a culturally relevant movement. Finding those people and getting them on board will be a big focus of my marketing effort.
Would be interesting to see a Google implementation...