<ul><li>Companies across industries are reported to maintain 'block lists,' preventing former employees from being rehired.</li><li>These block lists are legal but raise ethical concerns due to lack of appeal options and oversight.</li><li>Meta's revelation of maintaining secret block lists triggered discussions indicating this practice is widespread.</li><li>Employees from various sectors shared instances where they were ghosted or marked ineligible for rehire without explanation.</li><li>Some revealed being on block lists due to workplace politics or disagreements with managers.</li></ul>

We uncovered Meta's 'block lists.' It turns out a lot more companies have them, too.

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