links for 2010-12-17

My internet problem is the one so many of us struggle with: how do you choose when the constraints of geography, income and circumstance disappear? What goes in a playlist when all the music ever recorded is one click away? Which experts' thought processes should you tap into when tens of millions of them are on Twitter? How do you choose a book from the millions that you can discover with a Google Books search?
But as hard as it is to navigate the infinite universe of potential input, deciding what to do with all that information is even harder.