Today, Dropbox is well-positioned to reimagine the way work gets done. We've built a thriving global business with 15.48 million paying users. Viral, bottom-up adoptionEvery year, millions of users sign up for Dropbox at work. We've built one of the largest collaboration platforms in the world. The overwhelming majority of our customers use Dropbox to share and collaborate. As paying users work on files, our servers keep snapshots of all their changes. Computer backup automatically syncs folders on a user\'s computer to the cloud. Sensitive data can be added and viewed from any device: Windows, Mac, iOS, and Android. Viewer information and presence. Dropbox supports HIPAA and HITECH compliance. As a result, we intend for our workforce to become more distributed over time. We may not successfully manage our growth or plan for future growth. We depend on the continued service and performance of our key personnel. To execute our business plan, we must attract and retain highly qualified personnel. 24Table of ContentsWe may not have the ability to control or prevent these risks. In 2020, 29% of our sales were denominated in currencies other than U.S. dollars. No monetary penalties were assessed with respect to the 2018 filing. However, certain aspects of the CCPA and its enforcement remain uncertain.
