The innovations on display at this year’s show â

The innovations on display at this year’s show — which include the latest in 4K Ultra HDTVs — are a far cry from the first CES, held five decades ago, coinciding with the first season that the three broadcast-TV networks ran their entire prime-time lineups in color. And that was despite the fact that fewer than half of U.S. households had color TVs at the time.
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