Note that the claim is not 'Rework shows you a better, faster, easier way to succeed in a business that is similar to 37 signals. Maybe'.
I've personally heard from thousands of business owners in just about every industry who've told me many of the ideas we espouse work beautifully for them in their businesses.
But, no of course I don't believe any idea applies to everyone.
No need to exaggerate to make your point.
Or three days worth of email
I'm pretty sure the copy writers of business book promotional material have some sort of mad lib system for writing that tripe.
This book will _______ by showing you how ______ changed their business by _______ . All answers to your problems inside!