07/30/2015 01:16 pm ET Updated Dec 06, 2017

(VIDEO) Big Changes in the Values of Brands Powered by Geography and Technology, Sir Martin Sorrell

In the past 10 years, since the WPP-owned global brand consultancy Millward Brown has tracked the value of brands with its BRANDZ 100 rankings, there have been many changes.  Over that period, nearly half of the companies have changed.  This upheaval  has been powered by two major factors:  geography and technology innovation observes Sir Martin Sorrell, CEO and founder of WPP.

We spoke with him last week about the the rankings at industry event hosted by Millward Brown and WPP.

Leading the list the most valuable brands are Apple, Google, Microsoft and IBM.   Over a dozen Chinese companies have made the rankings, but from just one company 10 years ago.

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