These relate to accusations that the company forces sellers to raise prices on the Amazon site and other platforms to the disadvantage of consumers.
Their argument is that the Illinois biometrics law should not apply to government contractors.
Doing so makes the user seem like a new, anonymous visitor to a site and protects them from bounce tracking.
The U.S. Senate has passed a bill that could potentially ban TikTok in the U.S. if its Chinese owner, ByteDance, does not sell its holdings within a year. The bill now goes to the President Biden, who has said he will sign it. Court challenges are likely to follow.