https://www.theguardian.com/technology/2022/apr/06/chris-smalls-amazon-union-warehouses

Staff at more than 50 locations have contacted the organizers as a second warehouse is set to vote on a union later this month

Staff at more than 50 Amazon warehouses have contacted the organizers of last week’s historic vote establishing Amazon’s first-ever union, expressing interest in setting up unions of their own.