There are two ways to extend a business. Take inventory of what you're good at and extend out from your skills. Or determine what your customers need and work backward even if it requires learning new skills. Kindle is an example of working backward.
And for some reason when I'm sad I do listen to Leonard Cohen I do listen to Joni Mitchell. I do find myself going to the music that's actually reflecting my mood as opposed to sticking on Motown which might actually bring my mood up.
