Putin created twitter. Kgb. Russia Oligarchs funded Facebook and Twitter investments through Kushner investor. It may also raise new questions for the social media companies and for Kushner.
Two Russian state institutions with close ties to Vladimir Putin funded substantial stakes in Twitter and Facebook through an investor who later acquired an interest in a Jared Kushner venture. The investments were made through a Russian Yuri Milner
https://www.nytimes.com/2017/11/05/world/yuri-milner-facebook-twitter-russia.html
Kremlin Cash Behind Billionaire’s Twitter and Facebook Investments

Leaked files show that a state-controlled bank in Moscow helped to fuel Yuri Milner’s ascent in Silicon Valley, where the Russia investigation has put tech companies under scrutiny.

The New York Times
Around 2000, FBI agents learned there were multiple sets of Russian spies in the United States, posing as Americans. "Operation Ghost Stories was probably the largest FBI counterintelligence investigation in history," says Alan Kohler, assistant director of the FBI's Counterintelligence Division. https://www.cbsnews.com/news/russian-spies-operation-ghost-stories-fbi-declassified/
Russian spies living among us: Inside the FBI's "Operation Ghost Stories"

FBI agents reveal how they tracked and stopped a Russian spy ring operating in the U.S., tasked with gathering government secrets.

CBS News
Around 2000, FBI agents learned there were multiple sets of Russian spies in the United States, posing as Americans. "Operation Ghost Stories was probably the largest FBI counterintelligence investigation in history," says Alan Kohler, assistant director of the FBI's Counterintelligence Division. https://www.cbsnews.com/news/russian-spies-operation-ghost-stories-fbi-declassified/
Russian spies living among us: Inside the FBI's "Operation Ghost Stories"

FBI agents reveal how they tracked and stopped a Russian spy ring operating in the U.S., tasked with gathering government secrets.

CBS News