I'm having a hard time believing this.<p>Such devices would need to return land on a regular basis even if helped by solar panels. The costs of maintaining a significant number of this nodes floating would be considerable.<p>Also the delay on the communications would also be significant compared to a normal server. If you take the low computational power of a Raspberry Pi and put it with a 100Mbps radio (effective data rate would be less), the result would be a very slow website.