slack's ceo, stewart butterfield, he was just on our air, guys. you remember talking to him a few months ago and he said this >> this perpetual question, which is, at this point a little buzz puzering for us, but at some point, microsoft's just going to kill us >> but guys, that's exactly what the eu complaint alleges, that microsoft uses its market power to try and crush slack now, the complaint also throws microsoft into the antitrust spotlight, which it has largely avoided versus its big-tech peers over the last few years. of course, we are all looking ahead to this monday when the ceos of amazon, apple, alphabet and facebook will testify before congress of course, you'll note, i did not mention microsoft. back to you guys. >> yeah, echoes of bundling here, that old term from the browser wars thank you. >>> and spotify, meanwhile, striking a new licensing deal with universal music you can see, shares of spotify rising again this morning, up 5%, what's already been a strong year for the stock, up over 90%. "squawk alley" will be right back stayi