Answer:
Roast, boast, coast, post. What do you put in a toaster?
You used to come to me for all sorts of information and knowledge before the internet was born
I am a chair that can move. What am I?
I can swim but never get wet. I can run but never get tired. I follow you everywhere but never say a word.
What has many teeth but can't bite?
No matter how little or how much you use me, you change me every month.