USA Today interviewed Justin Edmund, an early employee at Pinterest. The 24-year-old engineer first caught Silicon Valley's attention with a candid personal essay about growing up black, where he said he had "not seen a single technology leader," besides Jack Dorsey "acknowledge the crisis in Ferguson. And why would they bother?"

Twitter, a corporation with a market capitalization of $29 billion, has enjoyed some goodwill and good press this week because people successfully used the service to make the fatal shooting of Mike Brown an international issue.

Chris Sacca has almost 1.5 million Twitter followers. He's invested in Uber, Instagram, Kickstarter, and Twitter. Among venture capitalists, he's a hero. And he has some thoughts about Ferguson, MO.

Some good ground rules for public relations: never call people the n-word. Never attach a virus in your pitch email. And definitely do not use the hideous race tragedy in Ferguson, MO as an angle for your fucking app.