Can't get our heads around why so much is spent on the next industrial revolution, says Jim Cramer

Group 1 - The tech industry is experiencing significant investment in data centers to support artificial intelligence, indicating a shift in operational needs [1][5] - The stock market performance shows mixed results, with the NASDAQ gaining 66% driven by AI-related stocks, while the Dow dipped 17 points and the S&P advanced 4% [2] - Salesforce's stock fell over three dollars following CEO Mark Benioff's keynote on the Agent Force initiative, reflecting Wall Street's skepticism about its immediate impact on the company's performance [3][4] Group 2 - There is a growing concern about the substantial backend investment required to power AI applications, which is seen as a critical battleground for tech companies [4][5] - The fourth industrial revolution, characterized by advancements in AI, is compared to previous industrial shifts, emphasizing its potential to transform the operational landscape [5][6]