So I had a look through the material for Flow and it looked pretty cool... however, as with so much in 365, it is just plain not working.
I've created a couple of flows (one using the template that copies a tweet to Yammer when #sharepoint is in the tweet, and one from blank that when an item is created in a list overwrites one of the columns) for testing, but despite repeatedly fulfilling the trigger conditions neither one is starting.
I've got site owner in the SP area I'm using so I doubt it's security related - the Run History shows nothing at all for either, even after 30 minutes or more.
Is there some sort of tenant-level setting I'm missing to make the Flows work? Everything looks fine to me according to MS' instructions.