The redefinition of the mole in 2019, as being the amount of substance containing exactly 6.02214076×10^23 particles
Since the 2019 SI redefinition, avogadro’s number is a constant.
https://en.wikipedia.org/wiki/Avogadro_constant
Edit: looks like we were both right! I was reading through your link and it seems the work reported by the NIST led to the exact definitions for Avogadro’s number and the Planck constant.
More like $9.75B (–$2)
https://www.cnbc.com/2024/09/30/echostar-to-sell-dish-to-directv-combining-major-pay-tv-providers.html