Race issues emerge as a challenge for tech companies like Uber, Facebook

Lawmakers on Tuesday objected to a Facebook feature that allows advertisers to target housing ads to exclude certain racial and ethnic groups from promotions and marketing.In another race-related development that affects tech companies, the National Bureau of Economic Research in Cambridge, Massachusetts, said a study had indicated a pattern of discrimination by drivers of ride hailing apps against both African Americans and women.“We are writing to express our deep concerns with reports t