I am always amazed that with the number of secure cloud options for file sharing available (OneDrive, Google Drive, Dropbox, Box, Cubby, Tresorit, MediaFire, Bit Torrent Sync, etc.) why one would want to fool around with something already demonstrated to be of questionable security and which is so limited like AiCloud, or worse, something like ftp for file sharing with friends.
I realize the trend is to try to cram as many features into a single box consumer router as possible, and to turn the wireless router into a self-contained, all-purpose file-sharing computer and server, but c'mon....there are limitations and real-world functionalities that one ought to take into account, particularly if one is using file sharing for business purposes and reliability and security are at a premium. Secure VPN is great when you are using enterprise-based solutions, but how difficult do you need to make your non-enterprise life? AiCloud? Really?
How simple is it to share files, edit them, collaborate and do anything you want with them on something like OneDrive, Dropbox, etc.? So easy that I cannot possibly imagine wasting the time spent needed to work through and configure something like AiCloud. And if it's security you're concerned about, encrypt your files and only share the decryption keys with those you trust. There are plenty of secure (and free) options available (e.g., Bit Torrent Sync, Tresorit, Bitcasa, etc) out there that are far better, and way more versatile than something like AiCloud.
I guess I'm in the minority when it comes to "advanced" features of some of the routers available.....I principally expect it to route, provide wireless access with the best speeds possible and the greatest range. If I need to do file sharing or ediing of documents, spreadsheets and the like, it's way easier (and far more secure since I'm not potentially exposing other aspects of my network) to use a good, secure cloud service.