The Strategist quiz #638

The Strategist quiz #638

1. Based on a survey for Halloween 2019 in the US, what is common to the states of California, Washington, Florida and Hawaii? (trick or treat). 

2. This company’s name was derived by turning the letters of the holding company's logo upside down. Its name was changed a few years later to avoid a trademark lawsuit and it was folded back into its flagship company before 1960. Name it.

3. What is common to the books Leaving Microsoft To Change the World by John Wood and Fluid concepts and creative analogies by Douglas Hoffstadter.

4. Connect a Trakehnerstallion, which is