Superhuman bought 3 companies in under a year: a spreadsheet startup, and AI detector, and a note-taker. CEO Shishir Mehrotra returns to TWiST to explain the company’s strategy: buying fast-growing products that lack distribution and share them on a larger platform. (They’re basically the anti-Bending Spoons.) Plus: Jason reacts to Tesla’s flying car demo, OpenAI’s warning to staffers about being seduced by spies, and why Jason thinks “AI relationships are evil.” @jason @lons…