Moonlighting has always been part of American work culture, though it’s not a lifestyle many managers have encouraged. According to the Bureau of Labor Statistics, only about 5% of workers officially hold more than one job. Some organizations have policies against extra hours work, both for liability and productivity reasons. There are 168 hours in a week, and time you’re spending at a second job or on your own side business is time you’re not dreaming up new ideas for your employer.

But changes in technology and the way people work are leading some to rethink this idea. Certain kinds of moonlighting may actually help you in your main job, and wise organizations can embrace, rather than squelch, entrepreneurial zeal.