The file sync and share movement started over a decade ago, led by the likes of Dropbox, Google Drive, and others, and became popular very fast. The killer feature was having all your files available on all your devices. No more forgetting to bring that important document to a meeting, emailing files, or handling multiple USB sticks. Files were always there when you needed them! That its growth happened with the start of the smartphone age made file sync and share even more useful. But its popularity wasn't just about having access to your own files on all your devices: it also made sharing easier, enabling a new level of working together. No longer emailing documents, no longer being unsure whether your colleague's feedback came on the latest version of your draft, no longer fixing errors that were already fixed...