Corporate attorney Zack Shapiro primarily uses Anthropic's Claude. Samuel Boivin/NurPhoto via Getty Images A corporate attorney says his use of AI at work has made his life so much better. Zack Shapiro founded the AI-native law firm Rains and uses the tech to automate grunt work tasks. "It's making me dramatically more efficient," Shapiro told Business Insider. Corporate attorney Zack Shapiro used to spend hours each workday stuck behind his desk drafting legal documents in Microsoft Word. Now