Australia has strict laws to protect consumers against misleading and deceptive behavior. It can also be used as a defense for misleading or deceptive advertising. A sophist is a person who reasons with clever but fallacious, willful and deceptive arguments. A sophist is a person who reasons with clever but fallacious and deceptive arguments. Snake oil is a euphemism for deceptive marketing and health care fraud. Early answers tended to focus on the deceptive or inconsistent qualities of hypocrisy. Some people may adopt aggressive, coercive, threatening and/or deceptive techniques. Most spyware is installed without knowledge, or by using deceptive tactics. Participants showing deceptive or falsified emotions overcompensated their emotional performance. Grant decided on a series of deceptive measures to disguise his intentions. In contrast to deceptive and falsified accounts, genuine accounts were expressed with fewer emotions. They were usually characterised as evil, deceptive, and greedy. Gillespie has said that he was unaware of Enron's deceptive accounting practices. Gob in turn attempts to seduce Tony for similarly deceptive reasons. They are sometimes helpful, sometimes fatally deceptive.