Rules of Usage 3.1 The Scratch Team supports freedom of expression. However, Scratch is intended for a wide audience, and some content is inappropriate for the Scratch community. You may not use the Scratch service in any way, that: Promotes bigotry, discrimination, hatred, or violence against any individual or group; Threatens, harasses, or intimidates any other person, whether that person is a Scratch user or not; Contains foul language or personal attacks; Contains sexually explicit or graphically violent material; Provides instructions on how to commit illegal activities or obtain illegal products; Except in connection with organizing Scratch day events, asks any other user for personally identifying information, contact information, or passwords; or Exposes any other person's personally identifying information, contact information, or passwords without that person's permission. 3.3 You agree to comply with all applicable laws and regulations when you use Scratch. You may not use Scratch in any unlawful way, including to harass, stalk, or defame any other person. 3.4 You may not impersonate, imitate or pretend to be somebody else when using the Services.
As above it does not say "No advertising."
