US troops are still posting to TikTok despite concerns about Chinese spies, and there's not much the Defense Department can do about it

· By the beginning of 2020, all branches of the US military had announced a ban on popular social media platform TikTok from government devices.
· The ban followed an announcement from the Department of Defense that determined the Chinese-owned app posed a "cyber threat." 
· Despite the ban on government phones, the app is...