According to popular belief, a person who owns information owns the world. The Internet is a gigantic information base of our time, and the need to master the intricacies of working on the network will soon become urgent for everyone - from specialists in competitive intelligence, marketing and PR, in whose lives the Internet already plays an important role, to ordinary employees. How to find information about specific people, companies and products? How to organize promotion of your own business on the Internet? How to protect yourself from hackers and hide information on your computer from strangers? How to fight viruses and malware? You will find answers to these and many other questions in our book - a detailed guide to the world of the Internet. The practical advice presented here will help you not only withstand the competitive or information struggle, but also win it by exploring the capabilities of the World Wide Web unknown to the average user. The publication is of practical interest for specialists in business intelligence, marketing, advertising and PR, as well as for directors and managers who want to effectively promote their enterprise in the modern market.