Agreed. As long as the ability to discover new voices is effectively addressed, the ability to follow someone of interest is pretty valuable. Which seems like where you might be going with http://hackerstream.com? :) Looks nice.
Indeed! Thanks for noticing.
Yes, especially when there are diamonds in the rough and you want to follow a few gems and leave the rest. Let us know your suggestions about hackerstream. Thanks!
The Mule lives!
And if you who haven't read Asimov's Foundation series, go now and sin no more.