A virtual world can be secure.Logical formLearned from33 sentences. Interaction may take virtual worlds to a level.Logical formLearned from32 sentences. A virtual world can be a voice.Logical formLearned from32 sentences. Communication can be between the virtual world.Logical formLearned from32 sentences. Virtual reality may undergo a development.Logical formLearned from32 sentences. (Identity theft protection) may disable links to phishing websites.Logical formLearned from32 sentences. Links can be to phishing websites.Logical formLearned from32 sentences. Virtual environments can be shared.Logical formLearned from32 sentences. Virtual worlds can be for kids.Logical formLearned from32 sentences. A virtual tour may pertain-to a building.Logical formLearned from31 sentences. A danger can be virtual.Logical formLearned from31 sentences. Virtual reality can be a technology.Logical formLearned from31 sentences. Virtual environments may undergo a development.Logical formLearned from30 sentences. A configuration may pertain-to a virtual machine.Logical formLearned from30 sentences. Virtual machines may undergo a use.Logical formLearned from30 sentences.