Crossword puzzle clue "find answer to"

Answer, when pointing to this answer, to the question "Which letters answer this clue?"

What the start of each starred answer is part of, for a company that intersects that answer

"Did you figure out the answer to this clue?" answer

Ben Tausig foretells the future! Pose a yes-or-no question, and solve the puzzle to find the answer

Where to find all three parts of the answer to each starred clue

Solvent (and where you'll find the letters of the contest answer)

Mischief-makers (you'll find seven of them in the answer grid)

Find the answer to