Your browser does not seem to support JavaScript. As a result, your viewing experience will be diminished, and you have been placed in read-only mode.
Please download a browser that supports JavaScript, or enable it if it's disabled (i.e. NoScript).
Godin, Seth - The Dip - A Little Book That Teaches You When to Quit (and When to Stick), 2007.pdf
Really a good one
Looks like your connection to 书行 was lost, please wait while we try to reconnect.
