San Francisco’s Mosaic Staircase. Hidden art gem in San Francisco; head to and Moraga to discover The Avenue Tiled Steps. Not only will you be able to see some amazing views of the city, you'll get to appreciate a beautiful mosaic running up 163 steps.
Abraham Maslows hierarchy of needs is an important psychological theory that addresses the stages of growth in humans. This infographic takes Maslows theory and looks at the social media tools that fulfill these needs.