Ribbon, a mircopayment startup, has announced it has raised a $1.6 million seed round led by Draper Associates and participation from Siemer Ventures, MicroVentures,  Klout’s COO Emil Michael, Winston Ibrahim,  and Nabuib Sawiris. Besides the funding news, Ribbon also unveiled a new feature, which allows users to buy products from e-tailers directly from Facebook’s News Feed. [Source: TechCrunch]