Amazon (AMZN +1.2%) tries to profit from the growing use of Facebook (FB +2.8%) as a "social gifting" platform by launching Amazon Birthday Gift, a solution that allows Facebook users to send a friend Amazon credit for his/her birthday, and then lets other friends to add to the pot. The product is separate from Facebook's Gifts platform. Also: 1) Leveraging existing content deals, Amazon is adding videos and games from Disney, Viacom, Warner Bros., and Electronic Arts to its Kindle Freetime kids' platform. The move comes shortly after a major deal was reached with Viacom for kids' shows. 2) AdAge reports Facebook's video ads will be delayed until fall. The magazine reported in April Facebook plans to charge up to $1M per daily ad slot.