The Birthplace of Silicon Valley: 391 South San Antonio Road

The birthplace of Silicon Valley really does have an address, 391 South San Antonio Road. In fact, it has two addresses, 844 Charleston Road as well. But the San Antonio Road one is earlier by a couple of years. There will be a plaque unveiling there on Wednesday (and you are invited).The birthplace of Silicon Valley really does have an address, 391 South San Antonio Road. In fact, it has two addresses, 844 Charleston Road as well. But the San Antonio Road one is earlier by a couple of years. There will be a plaque unveiling there on Wednesday (and you are invited).The birthplace of Silicon Valley really does have an address, 391 South San Antonio Road. In fact, it has two addresses, 844 Charleston Road as well. But the San Antonio Road one is earlier by a couple of years. There will be a plaque unveiling there on Wednesday (and you are invited).