This is a very cool initiative, and might "kick a little life" back into those writers/bloggers who have felt a bit stale with their creativity.
We have a lot of great creative talent in this community, and presenting "the best of" to the world, on a regular basis, might well draw some fresh talent to our shores.
If it gains traction, it could become useful tool for Hive... those who are purely content consumers might be interested in subscribing to the digest and would need Hive accounts to do so... but those are long term speculations, of course!