Things couldn’t be better at Twitter, CEO Dick Costolo told attendees at a conference on Tuesday, saying the business is going “phenomenally well,” and the company is “confident we have a hit on our hands” with its Promoted Tweets feature for advertisers. So why launch yet another new version of its Discover tab? Because even Costolo admits that Twitter needs to get better at figuring out a user’s “interest graph” and recommending topics and content to them, something the CEO says he plans to devote a lot of time to this year.
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