A demonstrator holds a Black Lives Matters sign during a protest against racism at the statehouse on June 6, 2020 in Columbia, South Carolina. (Photo by Sean Rayford/Getty Images) SEATTLE (AP) - After hitting the streets to protest racial injustices, Sharon Chuter was disillusioned by the number of corporate brands posting “glossy” messages spouting support for black lives.The 33-year-old founder of Uoma Beauty, a cosmetics company that caters to black women, came up with a social media challenge to test the sincerity of the companies: She launched the #pulluporshutup campaign on Instagram to push brands to reveal the racial makeup of their corporate workforce and executives.The hashtag has since gone viral, amassing nearly 100,000.