Twitter announced its premium Twitter Blue subscription service back in June, but it has just launched in the United States:
We’ve launched Twitter Blue in the US, Canada, Australia, and New Zealand. In these regions, Twitter Blue is available for in-app purchase on Twitter for iOS and Android, or on twitter.com through our payment partner Stripe.
The new Top Articles view shows the links that have been the most shared in your network over the last 24 hours. Nuzzel offered many more options that I’d like to see Twitter add, including the ability to compile links from Lists and adjust the time window. But this is a pretty good start.