Sharing is deeply sensory. From cooking a favorite meal to getting together with friends, it's the smells and the stories and the smiles that make human connections so essential. With Google+ we want to extend these moments online, so it’s only right to focus on the most personal of personal computers: your mobile phone.

To be clear, we’re not interested in a mobile or social experience that’s just smaller. We’re embracing the sensor-rich smartphone (with its touchable screen and high-density display), and transforming Google+ into something more intimate, and more expressive. Today’s new iPhone app is an important step in this direction—toward a simpler, more beautiful Google.