tesla autopilot defense.of bloomberg businessweek. david: in the company and industry section, a look at shell. responding more and more to the threat of climate change. >> the company is all in with natural gas, which people view as a transition source of energy. natural gas is cleaner. it is easier to turn plants on and off. they are looking to be more of a gas company than oil company. the big majors are moving in that direction. not that it will take over the oil business, but more of what they are pumping out of the ground is gas than oil. the only one where the stake in gas is lower is bp. all the others have increased their guests output. -- their gas output. there are obstacles. it is a complicated business. you have to build terminals, liquefy the gas. it is a complicated process. carol: also complicated, going public. you talk about spotify and their plans to go public. there is huge valuation out there. will that justify a? that is the big question. >> spotify is not profitable. for investors, ther