Sockpuppetry means the act of creating fake online identities in order to manipulate or deceive others. Synonyms for sockpuppetry include online impersonation, trolling, catfishing, astroturfing, and fake reviews. Online impersonation refers to the act of posing as someone else on the internet. Trolling refers to intentionally making inflammatory or offensive comments in order to provoke a response. Catfishing refers to the act of creating a fake online identity in order to enter into a romantic relationship with someone. Astroturfing is the act of creating fake grassroots campaigns online. Finally, fake reviews refer to the act of creating false feedback on websites in order to promote or discredit a product or service.