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What to expect in Twitter's Russia probe briefing
Twitter faces questions about its influence in the 2016 election. Photo: Matt Rourke / AP

It's Twitter's turn in the hot seat. The company will brief staff members of the Senate Intelligence Committee on Thursday as part of the probe into Russian meddling in the 2016 election.

The bottom line: While Facebook and Twitter are often lumped together as social networks, they face different questions in this investigation. The biggest question for Twitter is whether and how it influenced media coverage in the 2016 election — a key concern for both parties that will get a lot of attention.