Seven years after founding BottomZz Up, a potty-training product, local single mother Lynn Ell Tilker has launched her first mobile app, B. Bot World. Photo courtesy of B. Bot World.

Seven years after founding BottomZz Up, a potty-training product, local single mother Lynn Ell Tilker has launched her first mobile app, B. Bot World. Photo courtesy of B. Bot World.

Seven years after founding BottomZz Up, a potty-training product via her multimedia production company eCubed Designs LLC, local single mother Lynn Ell Tilker has launched her first mobile app, B...

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