$5 billion Slack hires away a key Google shopping exec to reinforce a crucial weapon against Microso

$5 billion chat startup Slack has hired Brian Elliott, a key leader from Google Express, the search giant's same-day delivery service platform.  Elliott will be the General Manager of Platform, helping Slack work with outside developers including Salesforce, Google, and IBM.  The Slack Platform is a major weapon against the rising threat of Microsoft Teams, Workplace by Facebook, Atlassian Stride, and other chat apps. Slack, the $5 billion work chat startup, has hired Google exec Brian...