13. A non-transitory computer-readable storage device storing instructions which, when executed by a processor, cause the processor to perform operations comprising: receiving a posting of an image or a video through a social networking site, wherein the social networking site receives and transmits posted items from a posting entity to receiving entities, wherein the posted items comprise at least one of text, images, and videos; identifying data associated with the posting; determining whether the data identifies a product within a product database for sale from the posting entity to yield a determination; and when the determination indicates that there is no reference to the product in the database of products: transmitting the posting through the social networking site without an option to buy; and when the determination indicates that the posting references the product in the database of products, and thus indicating a sale-related intent: transmitting the posting through the social networking site with a buy option associated with the product, wherein the buy option comprises one of a button, a drop-down menu, or a hyperlink; receiving a purchase interaction associated with the buy option; and processing a purchase of an item based on the purchase interaction, wherein processing the purchase occurs within the social networking site.
13. A non-transitory computer-readable storage device storing instructions which, when executed by a processor, cause the processor to perform operations comprising: receiving a posting of an image or a video through a social networking site, wherein the social networking site receives and transmits posted items from a posting entity to receiving entities, wherein the posted items comprise at least one of text, images, and videos; identifying data associated with the posting; determining whether the data identifies a product within a product database for sale from the posting entity to yield a determination; and when the determination indicates that there is no reference to the product in the database of products: transmitting the posting through the social networking site without an option to buy; and when the determination indicates that the posting references the product in the database of products, and thus indicating a sale-related intent: transmitting the posting through the social networking site with a buy option associated with the product, wherein the buy option comprises one of a button, a drop-down menu, or a hyperlink; receiving a purchase interaction associated with the buy option; and processing a purchase of an item based on the purchase interaction, wherein processing the purchase occurs within the social networking site. 15. The non-transitory computer-readable storage device of claim 13 , wherein processing delivery of the product comprises informing the posting entity selling the item through an application programming interface to ship the item.