Answer:
This thing runs but cannot walk, sometimes sings but never talks. Lacks arms, has hands; lacks a head but has a face.
Once they sailed the sea, now they surf the web
My tongue hangs out as I run over fields and streets all day. I get tied up every morning and untied at night.
What has 4 legs in the morning, 2 legs in the evening and 3 legs in the night?
When I'm born I fly. When I'm alive I lay. When I'm dead I run.
People take me on walks and I run and have fun. What am I?