Kochava picks Pinterest as the top media partner in terms of data-signal quality, fraud detection, user retention and correlation of clicks to installs.

The released datasets include 3,841 accounts affiliated with the Internet Research Agency (IRA), originating in Russia, and 770 other accounts, potentially originating in Iran, perTwitter.

Although it's not in the same league as Facebook or YouTube, Snapchat is turning video into ad dollars. Stateside, the company's video revenues will reach $397.3 million, this year.

Some 40% of U.S. urban commuters now rely on riding-sharing apps like Lyft, 10% rely on car-sharing apps like Zipcar, and 10% rely on bike-sharing apps like Scoot.