25) Use a thick marker during design since you can only focus on the key things. More info: http://37signals.com/svn/posts/466-sketching-with-a-sharpie http:/

25) Use a thick marker during design since you can only focus on the key things. More info: http://37signals.com/svn/posts/466-sketching-with-a-sharpie http://37signals.com/svn/posts/466-sketching-with-a-sharpie