3. The method of claim 1 , further comprising: presenting a first advertisement relating to the primary subject, wherein upon receiving the input indicating selection of the secondary information, the first advertisement is replaced with a second advertisement relating to the secondary subject designated as the primary subject.
3. The method of claim 1 , further comprising: presenting a first advertisement relating to the primary subject, wherein upon receiving the input indicating selection of the secondary information, the first advertisement is replaced with a second advertisement relating to the secondary subject designated as the primary subject. 6. The method of claim 3 , further comprising: receiving input indicating a selection of a new clue or solution: replacing the primary information with new primary information describing a new primary subject related to the new clue or solution, wherein the new primary subject is designated as the primary subject; and replacing the secondary information with new secondary information describing a new secondary subject related to the new primary subject.