About device data on internet:
There are many websites that offer a data stream to web (device data on internet) service.
Maybe the first was Patchbay aka Pachube.
Pachube evolved to COSM
wikipedia page: http://en.wikipedia.org/wiki/Xively
Some new things on cosm.com
https://cosm.com/explore/air_quality_egg
http://airqualityegg.wikispaces.com/
https://cosm.com/explore/wind_turbines
http://umoyasa.co.za/?page_id=28