Selena Larson, CNN:

Many apps also sell personal data to third-party companies. This practice is common, though the general public is often unaware of their app’s policies regarding data brokering. These types of sales are legal if disclosed, but users might not see the disclosures in lengthy privacy statements.

The U.S. Central Command told CNN on Monday it is looking into refining its smartphone and wearable device policies following the Strava revelations.

White House cybersecurity coordinator Rob Joyce tweeted on Monday that the Strava heat map highlights the risks of big data analytics.