Starting today, as many as 48,000 University of California academic workers — including teaching assistants, postdoctoral scholars and graduate student researchers — are set to strike at all 10 UC campuses, a move that could cause some classes, grading and lab work to grind to a halt just weeks ahead of final exams.

The #GuacOff campaign is the latest initiative supporting gig workers as they play an increasingly important role in the economy.