• NPR introduced voice recognition–enabled ads this week on its smartphone app in an attempt to connect its nearly one million mobile listeners with sponsors, Adweek reports. The 15-second audio spots ask listeners to say “Download now” or “Hear more” after hearing an ad that sparks their interest. • The Knight Foundation has awarded a joint grant to the nonprofit newsrooms Voice of San Diego and MinnPost to help them develop plans to grow membership. The two-year, $1.2 million grant will be divided evenly between the news operations, who will collaborate on using membership data more effectively. Nieman runs down how the sites will use the grant.