Musk's business ventures have turned him into the wealthiest person. Although he has many companies, none of them have impacted his wealth more than Tesla.

Tesla CEO Elon Musk may have the sense of humor of South Park 's Terrance and Phillip, but one has to acknowledge his consistency. After expanding the Robotaxi service area in Austin to an area that looks like a giant penis, Tesla also increased the ride fare.

The money behind Elon Musk’s trillion-dollar empire is increasingly flowing in one direction: toward artificial intelligence.