When SaaS started catching on as the standard model for software delivery, adoption was rapid. Businesses of all sizes invested in SaaS, expecting to increase productivity through a more efficient, affordable deployment method that avoided the lock-in that came with software purchases in the past. Solutions of all varieties, from Office 365 and G Suite to Slack and Zoom, made promises of enhanced collaboration, effortlessness of mobile work, easy deployment, and lower maintenance overhead.