1. Google+ users spent about 7 minutes there in March (Mashable)

2. Many air passengers never turn off electronics, says survey (NYT)

3. Who said what about the White House’s executive order on open data? (E Pluribus Unum)

4. Apple wins trademark case over ‘iBooks’ (GigaOm)

5. Politico to test pay wall in 6 states and internationally (NYT)

6. Diaries: The original social media (Nieman)