Last month Poornima Vijayashanker shared insights on differntiating with design from her new book How to Transform Your Ideas into Software Products. Today, we're launching a contest to give away five copies. Answer the following question to enter:

"What's your favorite example of a product that differentiates based on design?"

To give us your answer, visit our newsletter subscription page, fill out the required fields, enter your response to the contest question at the bottom of the form, and click "Subscribe to list." If you already subscribe to our newsletter, send an email with your answer to [email protected] using the subject line: How to Transform Your Ideas Giveaway. Our bimonthly newsletter is a great way to stay on top of new articles and also gain exclusive access to special discounts, contests, and promotions.

Five winners will be chosen from the valid entries—contest ends on Friday, October 17th.