Module Nine discusses Industrial Jurisprudence or job security. What does it mean to have seniority? Would you, as a member of a union, feel comfortable "bumping" a co-worker who has less seniority than you? Is this a good system to use when it is probable that the newer employees may have access to technology that allows them to be more efficient at the job? How does the following affect seniority? -Mergers and acquisitions -Scope clauses -Employee work groups - Using social media -Alcohol and drug testing.