In the recent period, many online forums have been discussing the topic of the "Panda Burning Incense" virus. In the past two months, there have been millions of computers infected with the virus worldwide. At the time of the virus, all of the computers in the computer The icons have all turned into pandas. The pandas are holding the three-pillar incense, and they are together. The user is forced to format and all the data in the computer is lost. Some foreign antivirus software suddenly fails at a critical time, which is also one of the reasons for the virus. What is the most appropriate summary of this text? ['"Panda Burning Incense" "burned" tens of thousands of computers.', 'Who is making and transmitting drugs.', 'Why "Panda Burning Incense" became a public topic.', 'Professional and technical issues evolve into social topics.']