CognitiveData Bought by Merkle by Arkansas Business Staff Posted 5/18/2009 07:20 am Updated 6 years ago Merkle Inc., a database marketing agency, has bought CognitiveData Inc. of Little Rock, a marketing technology company. Want the Full Article? Get Unlimited Archive Access for $19.95 per Year Readers must pay to access articles older than 15 days. Articles newer than 15 days are not included in this offer. Purchase Now Already have archive access? Login to view this article.