Such a Californian, colloquial tale. I'd had never seen an avocado in any grocery story growing up, never tasted it until I visited California. Is this "chang

Such a Californian, colloquial tale. I'd had never seen an avocado in any grocery story growing up, never tasted it until I visited California. Is this "changing the world"? Well I suppose it could be, after all myriads of people have never used or even heard of slack.