A substantial percentage of smartphone and tablet users consumed news on their devices in Q1 2013, according to polling by the Donald W. Reynolds Journalism Institute. The 35-to-44 age group showed the highest incidence of reading news on their smartphones, at 73% of users. But penetration rates for every other adult age group except those 65 and older were above 60%. Among the oldest smartphone users, the small screen size seemed to turn them off to news consumption; only 35% read the news on their phone. Read the rest at eMarketer.