such a large amount of traffic coming from bots that it launched a WebService API aimed at bot programmers, through which it can actively manage bot interactions. Bot farms are known to be used in online app stores, like the Apple App Store and Google Play, to manipulate positions or increase positive ratings/reviews. A rapidly growing, benign form of internet bot is the chatbot. From 2016, when Facebook Messenger allowed developers to place chatbots on their platform, there has been an exponential growth of their use on that app alone. 30,000 bots were created for Messenger in the first six months, rising to 100,000 by September 2017. Avi Ben Ezra, CTO of SnatchBot, told Forbes that evidence from the use of their chatbot building platform pointed to a near future saving of millions of hours of human labor as 'live chat' on websites was replaced with bots. Companies use internet bots to increase online engagement and streamline communication. Companies often use bots to cut down on cost; instead of employing people to communicate with consumers, companies have developed new ways to be efficient. These chatbots are used to answer customers' questions: for example, Domino's developed a chatbot that can take orders via Facebook Messenger. Chatbots allow companies to allocate their employees' time to other tasks. Malicious bots One example of the malicious use of bots is the coordination and operation of an automated attack on networked computers, such as a denial-of-service attack by a botnet. Internet bots or web bots can also be used to commit click fraud and more recently have appeared around MMORPG games as computer game bots. Another category is represented by spambots, internet bots that attempt to spam large amounts of content on the Internet, usually adding advertising links. More than 94.2% of websites have experienced a bot attack. There are malicious bots (and botnets) of the following types: Spambots that harvest email addresses from contact or guestbook pages Downloaded programs that suck bandwidth by downloading entire websites Website scrapers that grab the content of websites and re-use it without permission on automatically generated doorway pages Registration bots that sign up a specific email address to numerous services in order to have the confirmation messages flood the email inbox and distract from important messages indicating a security breach. Viruses and worms DDoS attacks Botnets, zombie computers, etc. Spambots that try to redirect people onto a malicious