A huge scandal around the most popular social network on the planet Facebook is gaining momentum. The illegal use of data of 50 million users has already cost this company tens of billions of dollars in capitalization. But the main intrigue is that a "Russian trace" appeared in this story. Does this mean that working with big data ...

Researcher Alexander Kogan joined Cambridge Analytica in 2014. In the same year, he teamed up with students and analysts from St. Petersburg State University, one of the best schools in Russia, to implement a data collection project similar to the one that ...