We were then shown the AirStash's WebDAV compatibility using iOS' Keynote.

ENGADGET: AirStash wireless flash drive with media streaming and WebDAV update hands-on (video)

Mobile Server also includes support for a number of services for building mobile applications, including XML, Web Distributed Authoring and Versioning (WebDAV) and Wireless Markup Language.

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There's no hurry to whip out your credit card though -- we'll be giving the AirStash a spin once the firmware is ready in a few weeks' time, and hopefully we'll also dig out more WebDAV apps for various platforms, so stay tuned.

ENGADGET: AirStash wireless flash drive with media streaming and WebDAV update hands-on (video)

Based on the WebDAV standard, Bussmann says the goals are to make it as easy to use as iCloud or DropBox for both mobile devices and laptops (something SharePoint, what many companies use today, is poor at), while also providing the security only an internal, behind-the-firewall network can.

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Had we edited the file, we could've also saved a new copy to the AirStash via WebDAV as well, and then distribute the file any way we wanted (as opposed to just emailing it out, especially if it's a large file and your recipient is sat right next to you).

ENGADGET: AirStash wireless flash drive with media streaming and WebDAV update hands-on (video)