DETROIT, MI--(Marketwired - Sep 15, 2014) - HelloWorld, Inc., a Detroit-based company that provides a rich engagement platform for marketers has welcomed Challenge Detroit Fellow, Hannah Mills, to the ...

HelloWorld moving to 3000 tower of Southfield Town Center. Its lease in Pleasant Ridge up the end of this year. HelloWorld, the digital marketing company formerly known as ePrize, is moving from its ...