Plus there also is the case of individual manufacturer's attempts at customizing the Android OS on their respective devices. (goodereader.com)
I suspect it has something to do with political resistance to expanded federal intervention in both early childhood programs and assisting individual manufacturers. (investinginkids.net)
I research individual manufacturers such as BOB, Baby Jogger, Maclaren and Graco, as well as brands you might not be as familiar with like Inglesina or Bumbleride. (stroller-envy.com)