Twitter has joined Instagram — only six years late to the game.

Unfortunately for Twitter, being slow moving isn't new to the platform that has struggled with product innovation and user growth.

But it's a new year for Twitter, and the company is on a kick to grow, especially in live video and on its core app.

The move to leverage Instagram's 600 million monthly active users to grow its base of 317 million comes just days after Twitter cut its losses by converting its Vine app from a social community to a camera and by selling off Fabric, its developer platform, to Google.

Clearly, marketing Twitter itself is still a priority.

About a year ago, Twitter hired Leslie Berland, an executive at American Express, as its first-ever chief marketing officer.

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