Setting aside syncing and caching (which are not trivial with hundreds of feeds), that solution doesn't address the problem of your readers. Google Reader was

Setting aside syncing and caching (which are not trivial with hundreds of feeds), that solution doesn't address the problem of your readers. Google Reader was a social product, connecting readers to sources. Basically, Google is canceling the direct RSS blog subscriptions that countless blog readers have accumulated over the years. To be sure, it's a fairly low barrier for them to export and thus renew through another provider (be it Twitter or another RSS reader or Google Plus). But even though this seems to readers of Hacker News like a fairly low barrier, some casual or less tech-savvy readers will be left behind. At least that's what I expect to happen to my blog, which is followed by a very non-technical audience -- the bulk of whom subscribe through some Google Reader-powered source.