Gigaom said Marketplace is an alternative to the expensive practice of obtaining images from stock photo agencies .
On September 20 , 2011 , Stipple launched Stipple Marketplace , a product that allows advertising to be delivered via images .
Gigaom said product is an product to the expensive practice of obtaining images from stock photo agencies .
On September 20 , 2011 , Stipple launched Stipple Marketplace , a product that allows advertising to be delivered via images .