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Every January, Wikipedians around the world celebrate the birthday of Wikipedia. This year, as Wikipedia is turning 17, we took a look at the celebrations held around the world by the Wikipedia communities.

Upcoming changes to Wikimedia Commons will make it easier to add, update, and find important information about individual files and entire collections. New research helps us understand what to improve, and why it matters.

With the Wikidata Concepts Monitor (WDCM) we can now begin to discover how our communities use knowledge across more than Wikimedia 800 projects.

Local volunteers from Wikimedia Community User Group Côte d'Ivoire are partnering with librarians to create an active and vibrant community.

A survey report is helping a Wikimedia Foundation team define where they were succeeding, and where they could do with improvement.

To illustrate our recent post on Wikipedia clickstream 'rabbit holes,' the Wikimedia Foundation's Mikhail Popov used R code to create a net neutrality clickstream. An overview of core graph theory terms is provided, along with brief introductions to R packages igraph, ggplot2, and ggraph. While some familiarity with R is necessary, he includes a list of free resources for learning it at the bottom.

The Electronic Frontier Foundation is taking part in Copyright Week, a series of actions and discussions supporting key principles that should guide copyright policy. Every day this week, various groups are taking on different elements of copyright law and policy, and addressing what's at stake, and what we need to do to make sure that copyright promotes creativity and innovation.

Wikimedia Commons is the media site that hosts many of the images, video, and audio used on Wikipedia.

The annual #1lib1ref campaign asks librarians to add a citation to a reliable source to Wikipedia—and it's easy to get involved.

The Wikimedia Foundation’s Analytics team is releasing a monthly clickstream dataset. The dataset represents—in aggregate—how readers reach a Wikipedia article and navigate to the next. Previously published as a static release, this dataset is now available as a series of monthly data dumps for English, Russian, German, Spanish, and Japanese Wikipedias.