Blind and other anonymous forums are 'places of pure misery,' says Redfin's CEO – but also let workers 'speak truth to power'

• The CEO of real estate brokerage Redfin said anonymous forums are "places of pure misery."
• Glenn Kelman told The Information they're also "the only way to speak truth to power." 
• Blind cofounder Kyum Kim said anonymity helps employees "talk honestly about work." 

The CEO of real estate brokerage Redfin labelled anonymous forums such as Blind "places of pure misery."