Daniel Questions

1. Where was Daniel during all this when all the officials had been summoned before Nebuchadnezzar and the Golden image?

2. is there a signifigance to why (in chapter 4) it keeps switching from first to third person? Is it Nebuchadnezzar who is recounting this or Daniels account?

3. What were Nebuchadnezzar's advisers and nobles doing during all the time he was missing?