Barack Obama on Instagram: "When the Obama Presidential Center opens next year, it will be a hub for change — a place for our @ObamaFoundation leaders and people from all over the world to come together, get inspired, and take what they learn back to their own communities. You can learn more about the Obama Presidential Center at the link in our bios."

Matter Neuroscience on Instagram: "At Matter, me and my teammates are focused on the neuroscience of happiness. While we're focusing on positive emotions we're also interested on issues that suppress our positive emotions... We see the phone is an issue so my boss challenged me to come up with a solution and bring it to market. Here's what I did!"