You can use it to store and sync documents and files across computers, tablets, and smart phones. Dropbox is a freemium service. The free personal account starts you out with 2GB of space. You can earn more free space through referrals (an additional 500MB for every friend who joins, up to 16GB) and other actions. Paid personal plans, collectively named Dropbox Pro, start at $9.99 per month or $99 per year for 100GB of space. Prices go up as you increase the storage allotment: $19.99 per month for 200GB (or $199 annually when paying upfront), and $49.99 per month for 500GB (or $499 annually). The price for Business accounts varies based on the number of employees: It starts at $15 per month per user, with a minimum of 5 users, making $75 per month the minimum..”
Dropbox is a well-implemented, cloud-based, automatic, file-syncing service that has an excellent array of apps for various operating systems. You can easily install Dropbox on virtually any computer and mobile device you own to have instant access to all your files. Dropbox is a file-syncing and storage service which automatically syncs your files everywhere, so they’re available on any Internet-connected machine where you’ve installed Dropbox or that has a Web browser
Using Dropbox as an educator is very useful as a platform for managing your own material and making it more readily accessible. It is also very useful for students especially in the context of working in a group as it makes file sharing and collaborating very easy. Overall it is a very simple efficient and useful tool.