Which of the following options is true as per the passage ?

• A. Hundreds of thousands of people around the world are susceptible to the Facebook groupthink
• B. The optical Facebook theme team, decrees the silly fads like the Urban Dictionary Week
• C. The 25-facts-about-yourself oversharing festival on Facebook was the biggest show of all the doppelganger madness
• D. A large part of the internet savvy population around the world is susceptible to the groupthink catching on