Hello. I have found the following sentence and cannot understand “still could be”. Please help me out. Thanks.
Even without knowing what was in the messages, the knowledge of who sent them and to whom was enormously revealing and still could be.
Here is the full context: What WhatsApp offered Facebook was an intricate and finely detailed tracery of its users’ friendships and social lives. Facebook promised the European commission then that it would not link phone numbers to Facebook identities, but it broke the promise almost as soon as the deal went through. Even without knowing what was in the messages, the knowledge of who sent them and to whom was enormously revealing and still could be.
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Here is the full context:
What WhatsApp offered Facebook was an intricate and finely detailed tracery of its users’ friendships and social lives. Facebook promised the European commission then that it would not link phone numbers to Facebook identities, but it broke the promise almost as soon as the deal went through. Even without knowing what was in the messages, the knowledge of who