Actually, what I really need is a VerbProject. What's the universal symbol for "Invite your friends"? How about "Like"? Web apps are more full of verbs than the

Actually, what I really need is a VerbProject. What's the universal symbol for "Invite your friends"? How about "Like"? Web apps are more full of verbs than there are nouns, but we use icons of objects as substitute for verbs. like an envelope for "send mail" and a floppy disk for "save"