Scottsdale, Ariz.--Every other industry sector is flooded with e-marketplaces, why not sales and marketing? Sales and marketing consulting firm The Alexander Group Thursday launched SalesLobby.com, a b-to-b hub for sales and marketing professionals. The hub will include live forums, ask-the-expert discussions, industry news, a proprietary search engine and access to sales applications. It joins existing hubs Sales.com and Salesforce.com, among others. Oracle Corp. also recently announced plans to deliver a sales marketplace, dubbed OracleSalesOnline.com.