//New filing: Amazon spent $1.65B on acquisitions in 2018, headlined by Ring and PillPack deals (Nat Levy/GeekWire)

New filing: Amazon spent $1.65B on acquisitions in 2018, headlined by Ring and PillPack deals (Nat Levy/GeekWire)

Slack says it has submitted a confidential draft IPO filing with the SEC  —  Slack confidentially filed to go public, according to a press release published Monday.  —  Slack is one of a number of tech IPOs expected in 2019, including Uber, Lyft and Airbnb.  —  Here is the full release from Slack: