Interesting article....
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link to au.news.yahoo.com]
Among them;
Digital colour photography - "Photographs will be telegraphed from any distance. If there be a battle in China a hundred years hence, snapshots of its most striking events will be published in the newspapers an hour later.... photographs will reproduce all of nature's colours."
Americans will get taller - "Americans will be taller by from one to two inches." In 2001, Americans were 1.76cm taller than their predecessors of 100 years earlier.
Mobile phones – Watkins wrote, "Wireless telephone and telegraph circuits will span the world. A husband in the middle of the Atlantic will be able to converse with his wife sitting in her boudoir in Chicago. We will be able to telephone to China quite as readily as we now talk from New York to Brooklyn."
Watkins also appeared to have something of an obsession with fruit. He looked forward to the day when vegetables would be grown under artificial light (true) and fruits such as strawberries and pears would be twice the size they were in 1900. (also true)
Radio & Television - "Man will see around the world. Persons and things of all kinds will be brought within focus of cameras connected electrically with screens at opposite ends of circuits, thousands of miles at a span."
Watkins also predicted a form of radio. "Grand Opera will be telephoned to private homes, and will sound as harmonious as though enjoyed from a theatre box", he said.