I believe it is a metaphor as falling from cloud 9 was usually used in older movies to express that they had fallen in love
But none of the sentences are called capitalized though
1. Text messaging - you don't have to respond right away.
2. Wireless calling - you can make and receive calls from wherever you are and it is easier to contact people and to stay safe because you can let people know where you are
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A 2 inches i think hope it helps
