Plus accounts are for the hobbyist turn "maybe I can make a living off of this" individuals but also for pretty much anyone involved in a video project with a team.
The main benefits to upgrading to a Plus account are:
1. Add unlimited videos to your own projects as well as any other project you are an Editor or Manager on from Vimeo, Dropbox, and YouTube.
2. You can set the security of a viewing room you added the video for as Private (even if the project isn't one you own).
3. Export Remarks to PDF, CSV, Adobe Premiere, FCP 7/X, and AVID Media Composer.
Plus accounts qualify for our Storage Rebate program is you subscribe on a yearly basis.