Air conditioning was not a rarity in TX from mid-60's or at latest mid-70s onward. this has far more to do with Dell computer/TI/IBM/etc. reinvesting locally i

Air conditioning was not a rarity in TX from mid-60's or at latest mid-70s onward. this has far more to do with Dell computer/TI/IBM/etc. reinvesting locally into developing UT grads into tech hub, UT as grid supercomputing facility, 'insourcing' SV devwork, and insane local promotion by hollywood/sv/media/local investors into SXSW festival which brought more attention/tech growth to the area. Most of this has happend from mid-90s onward, esp. post dotcom bubble- prior to this Austin was mostly a sleepy college town and local administrative center supporting a state economy more centered around oil/gas and agriculture in houston/dallas