Presidential candidates were mentioned in over 350,000 comments in May, June and September 2015, with a high level of early interest in Bernie Sanders.

In the high-stakes battle over replacing Justice Antonin Scalia on the Supreme Court, 56% of Americans say the Senate should hold hearings and vote on President Obama’s choice to fill the vacancy.

While people in advanced economies are still more likely to own a smartphone and use the internet, those in the emerging world are closing these digital divides.

• Fact Tank: Key Takeaways From Our Report