on UI design… case study: dropbox
Friday, January 28th, 2011 at 3:28 am by Brian Ales
It’s hard not to be a fan of Dropbox – the popular cloud-based data storage service has a simple and intuitive user interface, and integrates seamlessly into both Windows and Apple operation systems.
It just works – and it’s free (for 2GB of space, at least).
Many users are surprised, though, by how quickly they bump up against that 2GB storage limit. That’s because Dropbox charges not by the amount of data stored, but by the amount of access to that data. In other words, if I have a 100 MB folder of vacation photos I want share with three other people, Dropbox counts that same data four times over (each new share is counted against each member’s limits as if it were new freshly uploaded data). Additionally, each member of a shared folder can in turn share that folder to any number of other people who can then each share it to any number of other people… well, you get the idea.
Not surprisingly, Dropbox really wants you to share your folders:
Start accepting enough other users’ invitations to shared folders, though, and you’ll see your data count grow pretty quickly. In fact, you could soon require a premium account for additional storage, which Dropbox will be happy to sell you. Of course, a user could counter this ‘data creep’ simply by managing her account a bit and leaving (and/or unsharing) folders after all those vacation photos have been exchanged and downloaded, but Dropbox doesn’t make it easy:
- The option to leave and/or unshare a folder is simply not available on the contextual menu installed by the local Dropbox app (which is how most users access the service).
- Up on the Dropbox website, leaving/unsharing folders isn’t available on a folder’s contextual dropdown menus, either (although “Invite to folder” heads the list of options offered).
- The website’s top-level “Sharing” tab (see above) offers an “Invite others” option, but no direct option for leaving/unsharing folders.
- While the website also offers a 2nd-level tab called “Share a folder” (see above), there’s no direct option for leaving/unsharing folders.
Leaving or unsharing a Dropbox folder is possible, but only from the website’s Shared Folder “Members” list. Since everything else about the service is otherwise so well-designed, the single (and non-intuitive) location of this one option is curious.
But hey. Dropbox gives away 2 GB of storage for free – can you blame them for not making it easy for users to avoid having to purchase a premium account as their data count accumulates?
Probably not. After all, business-side concerns can often tend to make the human-technology interface less open and forthright than one would ideally hope for – it would be naive to assume otherwise. I’m reminded of a recent New Yorker article in which an ex-AOL exec estimates that 60% of the company’s profits come from ill-informed users unaware they don’t need an AOL subscription in addition to their cable or DSL subscriptions to get onto the internet – or the news that the FCC is considering ‘anti-overage’ regulations requiring mobile carriers to actively notify customers as they approach their monthly usage limits.
As newfangled as all these consumer technologies are, it could be that some old fashioned ideas – such as “Let the Buyer Beware” – still apply.



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