If the opportunities are widespread, the implementation is more complex.

The product is made, it contains two 2TB drives, but quite aesthetic. The system is immediately operational, to what end?
Presented as 4TB, it offers only 2 in its version supplied. Indeed, one of the proposed safety is a replica of a disk to another (RAID 1).
If the features are many, their management is all the more difficult. The dashboard presented as practice is not at all. Of course, it helps keep control of the system, monitor the health of hard drives, manage users and use energy saving features. Email and mobile alerts can be programmed to notify the administrator of the state of "My Cloud EX2".
The big drawback is that despite an online help, a 177 pages PDF documentation, nothing is explained clearly. The possibilities are listed in bulk. Yes, it is possible to use a particular product, it does what? Yes, it is possible to use the drive as an FTP server, provided that the ISP provides a fixed IP.
Watching streaming videos (* .avi files must be downloaded before it can be read) and photos on the connected TV (the user manual is with your TV, not with the disc), media players, consoles games and other DLNA / UPnP devices. It was relatively simple to transfer photo files to an iPad on the integrated iTunes service.
The system includes a media server "Twonky" the appearance and use of the most surly.
WD plans to open a Dropbox account ElephantDrive or anything but I have not found a way to use onedrive my account public cloud related to Office.
WD offers forums, aids among users, a help desk, but you get an answering in English on English language experiences, nothing in French.
I turned in all directions, obtained various displays, finally managed to mount the public and private disks in Windows tree (WD my cloud send links that appear through the Internet browser on the management page that of the "Twonky" drive). I tried to rename pictures in pictures, but I did is create a second folder because the system automatically recreates those that exist at the base.
In conclusion, the product is not in question, but WD has great efforts to make in terms of documentation features.
Note that the focus communities are without doubt English, but otherwise, Spanish, German and Italian. No luck on that side either.