Which of the following vision statements are, in your judgment, effective and which are not?

1. Nike: To bring inspiration and innovation to every athlete in the world.
2. Airbnb: Belong anywhere.
3. Disney: To be one of the worlds leading producers and providers of entertainment and information.
4. Apple: We believe that we are on the face of the earth to make great products and thats not changing.
5. Spotify: We envision a cultural platform where professional creators can break free of their mediums constraints and where everyone can enjoy an immersive artistic experience that enables us to empathize with each other and to feel part of a greater whole.
6. CNN: We bring the worlds breathtaking diversity into cinematic focus, telling stories that are revealing and inspiring.
7. Google: To provide access to the worlds information in one click.