Judge blocks 3D printed gun blueprints
GeekWire
Facebook agreed to stop letting advertisers exclude ethnic and religious groups from seeing certain ads on its platform this week, the same week that it lost roughly $120 billion this week as investors sold off stock. So is this a moment of reckoning for Facebook and other social media giants? Plus, we go inside Microsoft's Imagine Cup competition, where 49 students teams pitted advanced technology projects against each other.