A court in Cologne, Germany has raised a serious concern about the use of homespots across Europe, and certainly the rest of Germany, deciding that Liberty Global’s Unitymedia has to get an opt-in for each of its homespot owners. So far it has relied on an opt-out process and prior opt-in attempts led to service penetration of only 5% to 10%. It has been well understood for some years now, ever since FON invented the idea of putting a second SSID on a home gateway, that if you have to get each user to agree to open that SSID for public use, it makes the provision of homespot services virtually impossible across a large country like Germany. Deutsche Telekom has…