Historypin is a digital archiving site where millions of people share the past and to build up the huge story of human history. 

Historypin is currently creating a crowd sourced archive for San Francisco, Year of the Bay.

This comes at a pivotal time in San Francisco. With growing tension between techies and natives, San Francisco is at turning point. 

Using Historypin as a platform, the city can grow a mutual respect for each other and for the history of San Francisco, creating a citywide pride.