It was a big year for investment across every commercial real estate property type. And more than anything, investors were looking for ways to increase yields, given intensifying competition and ever-tightening cap rates. That is reflected in the list of the 10 most popular stories from NREI during the year. Pieces that explored sectors in depth-including exclusive research reports on the multifamily and seniors housing sectors-generated a lot of interest. So did pieces that examined potential changes in the investment landscape. And, of course, Sam Zell continues to generate buzz, whether he's talking about commercial real estate or anything else.