Flock, as Twitter calls it, is the company's inaugural worldwide tour for its mobile development platform, Fabric, which was announced late last year. Fabric includes a range of tools for developing and monetising mobile software, such as tools for app logins and crash reporting, and mechanisms for developers to weave Twitter content into their apps. It's Twitter's effort to get more outside developers into its ecosystem -- developers who might also become paying advertisers. Facebook and Amazon offer their own development kits.

Twitter's tour includes events and technical sessions to teach developers how to use Fabric's kits, and let them meet with Twitter's developer team. All sessions and events will be free to attend, Twitter says. The London event will be held at Vineopolis on the South Bank.

Twitter teams will flock around the globe promoting its mobile development platform © Marisa Allegra Williams (@marisa)

One new tool which might draw attention, or questions, from attendees is Digits, which lets people log in to apps with a phone number instead of a password.

The tour kicks off with a U.S. road trip, starting with Los Angeles next week before hitting London and Berlin in February, along with Tokyo, Hong Kong and Bangalore in the spring.

Since launching Fabric, Twitter has made some updates to it, including an upgraded distribution tool for sending out beta builds of apps, Twitter said Wednesday.

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