Procter & Gamble Co. chief executive Alan G. Lafley, calling nanotechnology “fascinating,” said his company has inked confidentiality agreements with three nanotech firms to share ideas and technologies. “We’re not the only industry or the only company that’s looking at nanotechnology,” Mr. Lafley told reporters following a speech at the Boston College Chief Executives’ Club. “There’s a lot of power in minimization; less is more.” Although Mr. Lafley said he expects nanotechnology “to be ...