Ever wonder how Apple (AAPL) - Get Report got to achieving its massive $640 billion market cap? It helps when the company has revenues, and by "revenues," we mean a lot. 

Now, Apple is actually a pretty old company -- almost 41 years to be exact. But it's super-company status is relatively new. When the company first came out with the iPod, it led to superior growth because of a superior product. But once Apple's iPhone collectedly took the public off the BlackBerry (BBRY) , then things really got serious. 

Ten years ago this month, the iPhone was first announced by the late Steve Jobs. The device proved to be a game-changer. The iPhone, along with the company's suite of iOS products -- think iPad, iPod touch, Apple Watch, etc. -- will lead the company to a ridiculous $1 trillion in total sales. 

According to Asymco, the iOS product portfolio will hit $980 billion in sales by the middle of 2017, meaning the extra $20 billion won't take too long to hit. In fiscal 2016, the company's total revenues of $215.6 billion means it averaged over $590 million per day. 

The iOS suite has led to enormous sales numbers and bloated profit results. With any luck, the company's new iPhone will pave the way to even more success later this year. 

It's also important to note that while the $1 trillion mark is being hit by iOS products, that doesn't include its other divisions, like Mac or Services sales for instance. 

Shares of Apple closed at $119.25 Thursday, down 0.4%.

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All this talk about self-driving vehicles has investors, techies and consumers thinking about Uber, Tesla (TSLA) - Get Report and Alphabet (GOOGL) - Get Report . But there are other self-driving products out there that get a bit less coverage. 

Take for instance, the bus

Navya, a company based out of Paris, took to the streets of Las Vegas to test the first fully-driverless bus in the U.S. Named Arma, the shuttle is fully electric and will be providing lifts down Fremont Street until January 20, so its developers can test its safety. 

The company says the vehicles can operate at 27 mph - not exactly the "Ludicrous Mode" that Tesla sports - but during the trial, it will only operate at 12 mph. Arma holds 12 passengers and while the trial run may seem like a geeky fair ride, it shows the potential of self-driving vehicles. 

If all goes well, Arma could be back on the road by late summer. 

While automakers and tech companies are busy making self-driving features readily available in the cars and vehicles we drive every day, the transit system may actually be easier to conquer. Albeit, there are different challenges, but the routes could be programmed to be the same every day. It's another opportunity and a big one at that. It's why Uber acquired Otto, for autonomous trucking. 

Shares of Alphabet closed at $829.53 Thursday, roughly flat on the day.

Investors may remember when Chris Lattner, the former executive at Apple left for Tesla last month. But he's not the only one. 

Matt Casebolt, Apple's senior director of design for the Mac line, is also jumping ship and joining Tesla. Casebolt will be the company's Senior Director of Engineering, Closures and Mechanisms. 

According to 9to5Mac, there's a number of other "Apple Alumni" at Tesla too. 

Should it be something for Apple to worry about? Maybe. Casebolt led design teams on the MacBook Pro's touch bar features, as well as the MacBook Air. But it would seem that others will be there to fill the gaps -- with no disrespect to Casebolt by any means. 

Further, while the company's Mac division is indeed big, it's nowhere near the size of its iPhone business. So long as that device continues to churn out healthy sales and profits, Apple as a whole will likely be okay. 

Still, a company never wants to see its top talent jump ship to other companies, even if at the moment, Tesla doesn't seem to be a direct threat to Apple. 

Shares of Tesla closed at $229.59 Thursday, down 0.1%. 

This article is commentary by an independent contributor. At the time of publication, the author held no positions in the stocks mentioned.