There may be no higher tribute to the role of working artists in the public imagination than a term that has awakened the interest of labor analysts over the last few years: gig economy. The description is no longer limited to itinerant entertainers; it includes a reportedly growing sector of the labor force employed through temporary, freelance arrangements. Uber-driving, no less than jazz musicianship, has become a popular example.
https://www.arts.gov/art-works/2016/taking-note-measuring-gig-economy-through-new-data-source