You could read Sarah Lacy's "Once You're Lucky, Twice You're Good" (which was called "The Stories of Facebook, Youtube and Myspace" when I bought it in the U.K.

You could read Sarah Lacy's "Once You're Lucky, Twice You're Good" (which was called "The Stories of Facebook, Youtube and Myspace" when I bought it in the U.K.) It's a light read (suitable for a holiday) and it will inspire you to build your startup when you get back.