Trader Joe's is a privately held chain of specialty grocery stores headquartered in Monrovia, California. As of June 2011, Trader Joe's had a total of 361 stores. Approximately half of its stores are in California, with the heaviest concentration in Southern California, but the company also has locations in 28 other states and Washington, D.C. Trader Joe's was founded by Joe Coulombe and is owned, since 1979, by a family trust set up by the late German businessman Theo Albrecht, one of the two brothers behind the German discount supermarket chain Aldi.
Pandora Media, Inc. is the operator of Pandora Internet Radio (also referred as Pandora Radio or simply Pandora), an automated music recommendation service and "custodian" of the Music Genome Project available only in the United States. The service plays musical selections similar to song suggestions entered by a user. The user provides positive or negative feedback for songs chosen by the service, which are taken into account for future selections.