Then, in 2001, Wikipedia caused a major shift. Wikipedia doesn't depend on sales. It asks people to give money, and those contributions pay for everything. Instead of experts, Wikipedia allows the users to write about anything. Instead of editors, the users correct any mistakes they see. The encyclopedia company uses the law to protect its texts; Wikipedia gives everyone the legal right to copy its texts. The debate today is whether the changes caused by Wikipedia are good for society or not. Most people are happy to use Wikipedia for free. But are they aware that many people have lost paid work because of this ? Wikipedia caused many encyclopedia companies to go out of business. Is this a good thing? Wikipedia has caused a big change in one industry. Will a similar process change others?