Knock knock. Who's there? Silence.

Knock knock. Who's there? Sew

Sew who? Sew long, I've been trying to stitch together a decent joke.

Knock knock. Who's there? Byte.

Byte who? I'm having a little trouble processing your question.

Knock knock. Who's there? Pixel.

Pixel who? Pixel-fect timing, I just got a new screen!