Wal-Mart Buys Social Media Platform Kosmix by Lance Turner Posted 4/19/2011 07:55 am Updated 5 years ago Wal-Mart acquires social and mobile media platform Kosmix of Mountain View, Calif. A Wall Street Journal site says the retailer paid $300 million. Want the Full Article? Get Unlimited Archive Access for $19.95 per Year Readers must pay to access articles older than 15 days. Articles newer than 15 days are not included in this offer. Purchase Now Already have archive access? Login to view this article.