For those interested, we've made a number of small design updates to the guided tours interface. We're also close to merging a major backend refactoring to support more sophisticated tour behavior, like waiting to suggest that the user click Save until after they type in VisualEditor. 

For the sake of not cross-posting, I'll link you to the full list of changes I posted to your technical outreach mailing list: http://lists.wikimedia.org/pipermail/wikitech-ambassadors/2014-June/000717.html

Thanks, 
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