Amazing 4 Hi-Tech Giants

1. Microsoft
   
   Bill Gates - principal founder of Microsoft - Image by United States Department of Health and Human Services - https://www.flickr.com/photos/hhsgov/39912162735/, Public Domain, Link
2. Apple
   
   Tim Cook - Chief Executive Officer of Apple - Image by Tim_Cook_2009.jpg: Kindly granted by Valery Marchive (LeMagIT) derivative work: RanZag (talk) - Tim_Cook_2009.jpg, CC BY-SA 2.0, Link
3. Amazon.com
   
   Jeff Bezos - the founder, chairman, CEO, and president of Amazon - Image by Seattle City Council from Seattle - https://www.flickr.com/photos/seattlecitycouncil/39074799225/, CC BY 2.0, Link
4. Alphabet - Google
   
   Larry Page - principal founder of Google - Image by Stansfield PL - Wikimedia Commons, CC BY-SA 3.0, Link

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Those 4 amazing hi-tech multinationals have an extraordinary market capitalization of around 4 trillion dollars (trillion dollars can be thought of like a million of million), each with a similar value (around a trillion each). They are the biggest public companies listed in the stock market in the world.