text: Eveyone should have one of these or get an computer lie this one. If you really need to know about smeone you just would look on it to see what it is. This would be good when a school have a play and the people that are watching them need or want to figure out how the characters feel.   Hey Earth has a twin. In "The Challenge of Exploring Venus" the author strongly suggest that Venus is a worthy pursuit despite the dangers. Although the author's idea may sound wild to some he does support his argument very intelligently.