On the other hand, casinos and on-line gaming have seen rapidly growing use as people try to overcome the boredom and sense of confinement brought on by the various shutdown orders. At the same time a Romanian immigrant, Vlad Tenev, and his co-founder started Robinhood Capital Management, a stock brokerage that reportedly allows one to buy and sell securities, including options without fees. Trading is done electronically and is apparently strongly embraced by younger investors. Indeed, one market commentator (Jim Cramer of CNBC's "Mad Money") has dubbed the many new retail investors using Robinhood and other inexpensive trading platforms the "Merry Men." This all is occurring in a time of tremendous growth and use of social media, including the ability to "organize" so-called "flash mobs" and even the January 6, 2021, attack on the U.S. Capitol. MacKay's observations about "the Madness of Crowds" may be particularly relevant to any attempt to understand these phenomena.