TikTok has agreed to improve its measures to keep children off its website and app after a Canadian investigation found its efforts to block children and protect personal information were inadequate,

TikTok's algorithm is the "secret sauce" behind the app's success, experts say. U.S.-China talks over the app's ownership must resolve who controls the technology.

TikTok says it will introduce measures to "strengthen our platform" although it disputes some of the findings.

Canadian privacy authorities say TikTok’s efforts to keep children off the platform and prevent the collection and use of their sensitive personal information are “inadequate” but the company is taking steps to address concerns.

Congress has effectively banned TikTok in the U.S. based on national security concerns, telling TikTok's Chinese parent company ByteDance to divest or face a ban in the U.S., but Mr. Trump has paused its enforcement three times. Congress may still need to sign off on any finalized TikTok deal.

Many Coloradans saw this Tuesday's Amber Alert not just as an alert on their phones, but inside TikTok’s “For You” feed. FOX31's Hanna Powers breaks down the new information sharing and how it could help.

Fox Corp., led by chairman and CEO Lachlan Murdoch, is among investors negotiating to acquire a stake in the carved-off TikTok U.S. entity. President Donald Trump revealed the Murdochs' involvement in the TikTok deal on Sunday,