In any industry it is critically important to study the trend-setters, examine the competitors who set the bar high and are viewed as the gold standard.
In the NFL, those are the teams that qualified for the playoffs, especially the final four _ the Green Bay Packers, San Francisco 49ers, Kansas City Chiefs and Tennessee Titans _ competing to make to the Feb. 2 Super Bowl at Hard Rock Stadium.
This year's playoffs have provided plenty of tips on the direction the NFL is headed. Here's a look at what can be learned from the first two rounds of playoff games.