Q: What is a sock puppet?
A: It's a puppet made out of a sock. Duh.
Q: Why do you use them for evil?
A: Because they're perfect for world domination. Or, you know, just for telling your friends you're a good listener.
Q: Can I use a sock puppet in a job interview?
A: Only if you're interviewing for a job as a children's party entertainer or a therapy session host. Otherwise, no.