Elon Musk teased exciting updates for Tesla's robotaxi division.Tesla (TSLA +3.74%) reported earnings last week. And while there were some disappointments, I am left very excited about one thing: a revelation from Elon Musk regarding the company's robotaxi ambitions.Tesla is no longer considered an automakerIt seems that Tesla is no longer considered an automaker. At least that's what the market is saying. Take a look at Tesla's price-to-sales ratio versus other automakers. The valuation gap is obvious. Tes ...