* Austin's already been a vacation home of sorts for Bay Area folks with SXSW, so there's that familiarity.
* Austin's cost of living is less than Seattle's even now, let alone back when the migration was more of a trickle (https://www.bestplaces.net/cost-of-living/austin-tx/seattle-...). Same is true when comparing Miami (https://www.bestplaces.net/cost-of-living/miami-fl/seattle-w...).
* A distillation of learnings from the US Census contains a few other fun tidbits: https://apnews.com/article/texas-business-census-2020-scienc...