Los Angeles-based online ad representation firm Gorilla Nation announced this morning that the firm has been selected to exclusively represent six African-American web properties. According to the company, it is now representing BlackNews.com, BlackInAmerica.com, BlackHistory.com, BlackWomenConnect.com, BlackStudents.com, and HireDiversity.com. Financial impact of the deal was not disclosed. The sites will be represented through Gorilla Nation's GNMulticultural division.