Assorted links
1. Kelefa Sanneh in The New Yorker on blockbuster effects in cultural markets.
2. Planet Money follows a T-shirt around the world. And Slate staff picks favorite books for 2013.
3. Yakov Smirnoff tells jokes about Russia (video). And further analysis of Ukraine.
4. Will China be the first country to legalize drone deliveries?
6. “Indeed, Mr. Zimmerman says he can no longer tell the difference between stories he finds interesting and stories that will be popular.” Or try this version of the link.