Answer:
is this question from some kind of story or are you asking randomly
 
        
             
        
        
        
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Explanation:
 There has been a marked increase in virtual reality games since the military developed conflict-based simulators.
 
        
             
        
        
        
Microwave,light bulb , phone ,
        
             
        
        
        
Elon Musk, the co-founder and CEO of Tesla, is the richest person in the world with a $269 billion net worth. Behind Musk is the founder of Amazon, Jeff Bezos, with an estimated net worth of $187 billion.