74: Mailbag of Go

We're going deep into our Mailbag, and we're going to answer all your questions.

• Why do we say "here you go" when we give something to someone?
• Why can we reduce something to /sʌmʔ/?
• The thing is is, there are two IS there. Why?
• Some contractions seem to've appeared, and they look strange in writing. What other ones're out there?