cnbcs jim cramer bought mad money back to san francisco for the first time in two years and talked about the four major innovations and the companies that justify tech as a leader in the stock market cramer said the first innovation thats driving value is how businesses are using artificial intelligence to replace humans especially because workers are so hard to find now that were living through the great resignation in the time of covid he pointed out that a recordhigh 443 million people quit their jobs in september when you think of artificial intelligence you have to start with nvidia everybody views this one as a semiconductor company but its really platform for machine learning cramer said then theres conversational artificial intelligence that lets computers come across like actual people thats five9 the call center software play cramer said that most people think of facebook changing its name to meta platforms when they think about the metaverse however the mad money host offered other names such as unity software which makes the tools needed to develop video games and metaverse experiences who gets to the metaverse first my moneys on roblox the popular online gaming platform that makes it easy for users to create their own digital experiences cramer said while pointing to rivian shares ripping higher since last weeks ipo cramer said lucid group is one to watch the luxury performance electric vehicle maker … just won motortrends car of the year award he added who doesnt want to be the next tesla fintech for short is becoming a silicon valley obsession cramer said on the west coast theyre more into engineering than financial engineering he cited buy now pay later company affirm and its ceo max levchin whos trying to cut the credit card companies out of the consumer lending equation because theyve now kept generations trapped in their financial chains levchin was a cofounder of paypal you want a real revolutionary take on banking you need to talk to the people who run square cramer said