Walmart will host a shoppable livestream on TikTok, aiming to replicate the success of sister company Douyin—but it will be a while before social commerce in the US catches up to China.

Facebook has long taken the lion’s share of UK social ad spending, but this may change as smaller platforms like Snapchat and TikTok quickly expand their ad offerings.

Ten states sued Google for allegedly monopolizing the digital ad market, a complaint long held by publishers and advertisers, but it could be years before anything comes out of it.