Tampa Bay and Florida are like most metros and states — vying to get bigger, stronger and eager to do more. What they don’t have, they want. And what they do have needs to be remodeled often to remain bright and shiny. (If somebody has the money.) With Florida and Tampa Bay unemployment rates at 3.8 and 3.3 percent, respectively, economic aspirations are predictably high. More jobs. Better airports. More sports stadiums. More spending by the rich. Here are five business trends that shed some light on what’s happening here. And yes, the last trend may deserve the most attention.