We all know that the trend for smartphones is to get bigger and bigger. Samsung pushed the development several years ago with its Note “phablet” supersized smartphone, and Apple joined the party this fall with the iPhone 6 and iPhone 6 Plus.

But how big is too big? Expert Exchange blogger Leslie Bloom decided to map the reach of the average man’s and average woman’s thumb to the screens of the Apple iPhone 6, Samsung Galaxy S5, iPhone 6 Plus, and Galaxy Note 4, the current iOS and Android flagship smartphones. 

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