I totally believe you Sam! Our little grandaughter smiled at me while I was singing to her when she was about 12 days old! And, I did get a photo of her smiling at her brother at five day old!
Aren't babies the most amazing.interesting.delightful.wonderful little people! Especially when they are your grands.
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Mollie
My DD Gallery
DD Photo-a-Day Flickr Group
Software: Photoshop Elements 8.0
My Gear: Canon PowerShot G10, Canon D50

, Tameron 28-300 lens and Canon 50mm - 1.4 lens
Computer: iMac