Some recent scattered headlines like “iPad Use in Business to Grow in 2012,” “The Best Tablets for Business Travelers” and “Top 25 Gadgets and Gismos Every Manager Needs” are a reminder that people like stuff—and business people are always hunting for new things that could crank up performance. That’s a smart way to go, but it’s even smarter to keep in mind that there’s a difference between all those gizmos and ideas that make a difference.