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Screenshot: AmazonOne of the big recent developments in the advertising industry are what’s called “retail ad networks.” Governments and tech platforms like Apple and Google are cracking down on data gathering, making third-party data a bit harder to get. That creates a business opportunity for big retailers and other companies that have large databases of information about their existing customers. Just about every major consumer-facing company you can think of has launched an advertising network over the last few years.…

Elon Musk was forced through a months-long court battle to buy Twitter on Thursday, but numerous lawsuits remain against the world's richest person and electric carmaker Tesla, where he is chief executive.Twitter LawsuitTwitter investors sued Musk in May in San Francisco federal court, claiming he manipulated Twitter's stock price by failing to disclose in March he was amassing shares in the social media platform. The Securities and Exchange Commission has also said it is investigating the timing of Musk's…

A labor shortage has pushed more employers to recruit employees who have served prison time. Union Pacific Corp. UNP -1.31% in the spring started hiring people who had been incarcerated, said Beth Whited, the railroad company’s executive vice president for sustainability and strategy. Railroads have been struggling with service issues they say have been caused by worker shortages, and in September struck a labor deal to avoid a…