The addition comes as part of a larger overhaul of WeChat that includes an easy way to see the articles your friends have liked.

You probably won't use the redesigned WeChat unless you live in China, but it's important as it tries to compete against everything from TikTok to shopping. And importantly, it further dilutes Snapchat's value. How is Snap going to stand out when major social networks around the world are duping its best-known functionality? Although there isn't a huge amount of immediate overlap in users when Snapchat is blocked in China, WeChat's move could make international expansion that much harder.