I suppose all software markets get to a point that analytics and intelligence become an important feature set, once natural maturation has led to refinement of core features. It feels like we are getting to that point with RSS and with APML the promise of doing something about it.
A big roadblock in this process has been the lack of a standardized format for storing attention data. While Attention.XML has been around for quite a while, for various reasons it hasn’t really caught on. As a result, many attention-related tools (including FeedDemon) rely on their own proprietary attention formats – which works fine for individual tools, but it doesn’t enable customers to easily share their attention data between services.