Now, admittedly, the cloud in this instance is confined to a zone around yourself, but the idea is pretty cool.
The device can deliver photos (JPEG, BMP, PNG), documents (PDF, TXT, DOC, PPT, XLS), music (MP3, WAV) and movies (AVI, MOV, MP4, M4V) to any wirelessly attached device. Using the (provided) USB cable connected to your computer, you can charge the portable device and also transfer content to it; there's also a separate wall-wart provided for charging.
All you need to do is open the StoreJet Cloud App (free from the App Store) for your iDevice, or use your browser on any other portable device and the content is immediately accessible.
The specifications claim that up to 5 devices may connect concurrently - we didn't have that many available, but it coped with two quite easily. They also claim a 6 hour battery life (or 8 hours standby).
Coming in two models, the 32GB ($AU179) and 64GB ($AU299) units are an ideal way to extend the storage of your portable device and also share the content (legally, of course!) with friends.
Let's now consider some of the more advanced features (and some of the issues that arise).