MindArrow Systems Inc., Aliso Viejo, CA, a provider of direct digital marketing software and services, has completed the acquisition of privately held Radical Communication Inc., an end-to-end provider of rich media software solutions based in Southern California. MindArrow acquired substantially all of the assets of Radical Communication in exchange for 1,980,000 shares of MindArrow common stock, 135,000 shares of MindArrow Series C Preferred Stock, an unsecured subordinated promissory note from MindArrow in the aggregate principal amount of $1 million and the assumption of certain liabilities of Radical Communication.