Google CEO Sundar Pichai’s recent  Congressional testimony  revealed the face of a social media giant willing to resolve concerns over user privacy and transparency in how its data is used. The hearing covered issues such as a suspected political bias in its search algorithms and concerns that Google might be preparing for a relaunch in China by skirting around censorship and other restrictive policies. Yet, even as members of Congress grilled him for more than three hours, some issues escaped scrutiny or didn’t receive adequate treatment, according to experts from Wharton and elsewhere. These include Google’s efforts in user education and the level of freedom that its employees enjoy. “The big takeaway is that trust is the currency of this generation of innovation,” notes Andrea Matwyshyn , professor of law at Northeastern University and an expert on information security and consumer privacy.…