The Alphabet Workers Union (AWU) claims the company blocked access to a shared spreadsheet in which it reckons "hundreds" of subcontracted workers had shared their salary details and "up to 50,000" of those staffers are now prevented from looking them up.- War declared on bosses using 'omnipresent surveillance' tools to quash union efforts- Google datacenter contractors claim 'retaliation' for talking workers' rights- Amazon accused of singling out, harassing union organizers- Big Apple Apple Store workers hope to form unionLaura Greene, a worker with one of the contractors, Accenture Flex, commented in a statement released by the union: "When we had access to a shared spreadsheet we could see how across companies, workers were being paid vastly different amounts for their work.This is powerful information that we have a right to know and hope Alphabet does the right thing and returns access to all workers immediately."According to Bloomberg, the spreadsheet was a Google Sheet that was hosted on the company's intranet, and we have asked the union for confirmation of this.The NLRB said earlier this week it plans to crack down on the growing use of technology by bosses to monitor and measure staff as it is feared this software may be used to kill off efforts to organize and unionize."