I finally got around to writing down what I mean when I talk about experience strategy.
An experience strategy is that collection of activities that an organization chooses to undertake to deliver a series of (positive, exceptional) interactions which, when taken together, constitute an (product or service) offering that is superior in some meaningful, hard-to-replicate way; that is unique, distinct & distinguishable from that available from a competitor.
The full article, which goes through the definition piece by piece and looks at what each means in detail is available now over at Johnny Holland.