Five years ago this week… A German court raised serious concerns about the use of Homespots in Europe, ruling that Liberty Global’s Unitymedia would have to get an opt-in for each of its Homespot deployments in customer homes. Until that point, Unitymedia had relied on an opt-out policy to get to an estimated 2 million domestic and 7 million continent-wide hotspots, as previous opt-in attempts had only resulted in a 5% to 10% penetration. A complete reversal of Unitymedia’s hotspot deployments would have potentially killed Liberty Global’s cellular presence in Germany at the time. Unitymedia has since been sold to Vodafone. — A Netflix executive has admitted that the company will curb its content spend in the coming years,…