
The billionaire philanthropist who’s donated $26 billion gave away Last Days in Two Nations for free on Substack, noticeably not on Amazon.








Cybersecurity’s AI reckoning has arrived, and Arora has become a go-to advisor to CEOs.







How Pfizer, Lumen, Cisco, UPS, Palo Alto Networks, and Thermo Fisher are moving AI beyond pilots—using it to reshape drug discovery, networks, logistics, cybersecurity, and daily work.




















































































