37Signals.com’s post: Ian MacMillan, Wharton professor of innovation and entrepreneurship, and Rita Gunther McGrath, a professor at Columbia Business School, believe “the only plan is to learn as you go.” They say 1) conventional approaches and planning don’t work when you’re trying to get into new spaces, 2) assumptions are what get most companies into trouble, and 3) it’s not failure that companies need to avoid, but rather “failing expensively.” To read the entire post, click here.