In March 2007 Cengage Learning ( formerly Thomson Learning ) acquired Aplia Inc .
Aplia Inc. is an educational technology company founded in 2000 by Stanford University professor Paul Romer that offers online homework products geared toward college - level courses .
In March 2007 Cengage Learning ( formerly Thomson Learning ) acquired technology company   .
Aplia Inc. is an educational technology company founded in 2000 by Stanford University professor Paul Romer that offers online homework products geared toward college - level courses .