If it's [about the SharePoint platform][1] then it's on topic.

As @Anders says, there will be grey areas. We'll need to deal with them on a case-by-case basis.


  [1]: https://sharepoint.meta.stackexchange.com/questions/121/when-should-we-allow-questions-about-products-that-dont-belong-to-a-sharepoint-s/130#130