(Wines&Vines) - TastingRoom.com, the online retailer that employs patented technology to give consumers taste-size bottles of wine, has entered into a marketing partnership with flash wine seller Lot18. The Santa Rosa, Calif., based TastingRoom.com is closing its own online retail operation and will instead focus on managing its system of transferring wine from 750ml bottles to smaller 50ml samplers and 3.4-ounce single-serve bottles. The company currently offers wine for sale in the 50ml, 3.4-ounce and full 750ml bottles.