| #2 |  Permission Marketing
| 3.8 | 8 reads | |
| #3 |  Crossing the Chasm: Marketing and Selling Disruptive Products to Mainstream Customers
| 3.94 | 37 reads | |
| #4 |  The Tipping Point: How Little Things Can Make a Big Difference
| 3.85 | 427 reads | |
| #5 |  Web Analytics 2.0: The Art of Online Accountability and Science of Customer Centricity
| 5 | 2 reads | |
| #6 |  Purple cow
| 3.7 | 37 reads |