Goodreads vs Twitter: The Benefits of Asymmetric Follow

Goodreads vs Twitter: The Benefits of Asymmetric Follow - O'Reilly Radar: "I am never more painfully reminded of the limits of symmetric “friend”-based social networks than I am when I post a book review on Goodreads. I love books, and I love spreading the word about ones I enjoy (as well as ones I expected to enjoy, but didn’t quite). Most of the time, my reviews go out quietly to a small group of friends, whose book recommendations I also follow. It’s a lovely social network"