Facebook Inc was founded by Mark Zuckerberg in 2004. He started the company while he was a student at Harvard University. Zuckerberg's vision was to create a social networking platform that connected people from all over the world. Since its inception, Facebook has grown to become one of the largest and most influential social media platforms in the world. **

Facebook Inc. is the parent company of several subsidiaries, including popular social media platforms such as Instagram and WhatsApp. These subsidiaries operate semi-independently under the umbrella of Facebook Inc., allowing them to maintain their own branding and user base while benefiting from the resources and infrastructure of the larger company. This structure allows Facebook Inc. to diversify its offerings and reach a wider audience while maintaining control over its various platforms. **

Watchtower Inc. is a company that specializes in providing security and surveillance solutions. They offer a range of products and services including CCTV cameras, access control systems, alarm systems, and security monitoring. Watchtower Inc. aims to help businesses and individuals protect their properties and assets by providing reliable and advanced security technology. Their products and services are designed to enhance safety and security measures for various environments, such as residential, commercial, and industrial spaces. **

In Plague Inc, players can unlock new plagues by progressing through the game and achieving certain milestones. These milestones can include infecting a certain number of people, evolving specific traits, or successfully spreading the disease to different regions. As players continue to play and experiment with different strategies, they will gradually unlock new plagues to use in their gameplay. Additionally, some plagues may be available for purchase as downloadable content. **

In Plague Inc, players can make purchases to unlock additional content and features within the game. These purchases can include new disease types, scenarios, and other in-game enhancements. The game also offers the option to remove ads through a one-time purchase. Overall, the purchases in Plague Inc provide players with the opportunity to customize their gaming experience and access additional content. **

In Plague Inc, players can unlock diseases by progressing through the game and earning DNA points. As players successfully infect and spread their disease, they will earn DNA points which can be used to evolve the disease and unlock new symptoms, transmissions, and abilities. By strategically evolving the disease to make it more infectious and deadly, players can unlock new diseases and progress through the game. Additionally, players can also unlock diseases by completing specific challenges or scenarios within the game. **

In Plague Inc, purchases were removed from the game in 2020 due to concerns about the potential for players to misinterpret the game's content and themes. The developers decided to make all premium in-game purchases free for all players as a response to the COVID-19 pandemic. This decision was made to ensure that players could access all game content without any financial barriers during a time of global crisis. **

In Plague Inc, players take on the role of a pathogen trying to infect and wipe out the world's population. The goal is to evolve the pathogen in order to increase its infectivity, severity, and lethality. Players must strategize on how to spread the disease effectively while also combating efforts by humans to develop a cure. The game involves a combination of planning, decision-making, and adapting to changing circumstances in order to successfully infect and eliminate humanity. **