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Twitter unveiled the ability to make custom timelines Tuesday — a move that puts the newly-public company squarely in Storify‘s territory. Users can create their own timelines around particular events, filled with tweets from particular users and topics.

“Whether you want to collect the best Tweets about a TV show or help people find the latest information about fast-moving real-time situations, custom timelines let you give everyone a place to follow along,” wrote Brian Ellin, product manager for the Twitter platform.

You’ll need Tweetdeck, the Twitter client that the company bought two years ago, in order to make the custom timelines. Developers can also make one by hand using the Twitter API.

Tweetdeck users will be familiar with the concept, since the service has long allowed its users to create custom columns of content. What has changed is that those columns are now, in effect, portable. The custom timelines will be fully embeddable, just as Storify’s are.

Not all Tweetdeck users can make the custom timelines yet, but Twitter says it will be rolling the option out to everyone over the next few days.

Storify, founded by former AP journalist Burt Herman, was bought in September by Livefyre for an undisclosed sum. The one advantage it still has over Twitter’s custom timelines: it can incorporate Facebook updates too.

Image: Bethany Clarke/Getty Images