I thought people might like to add to this list: https://www.mediawiki.org/wiki/Analytics/Dreams of queries that people want to run, once the infrastructure exists. Mine include: What proportion of site vandalism comes from behind Tor proxies? Does it differ across wikis? And Rachel Farrand suggested the question: What proportion of longtime logged-in editors have customized user scripts (JS or CSS in their userspace)? -- Sumana Harihareswara Engineering Community Manager Wikimedia Foundation