Why Europe Is Picking a Fight With Google

The European Commission has a history of imposing competition penalties on large US tech firms like Microsoft, Google, and Yahoo. This is seen as a challenge to their dominance due to economic and political reasons. The EU aims to support European competitors struggling in a deregulated internet economy. The context includes ongoing EU-US trade negotiations and concerns over data privacy, especially after Edward Snowden's revelations. The EU is sensitive to the power of US tech companies in holding and potentially sharing EU citizens' data.

In what way has Edward Snowden's revelations influenced European authorities' stance on privacy?

What are the dual challenges faced by US tech businesses in Europe as described in the text?