From AEA Committee on Economic Statistics staff:
The 3-day NABE Tech Economics in Seattle concluded -- attendance approx. 525. The focus was on machine learning, experimentation, and AI, largely for applied micro, with discussion regarding implications for official macro statistics.
Program is available at https://nabe.com/tec2019
Slides, alpha by presenter, available to NABE members after login. (They were publicly available only for a couple days.)