Today, it is indeed the best of times and the worst of times when it comes to healthcare delivery. On one hand healthcare globally is facing tremendous challenges to provide effective, efficient, efficacious patient centric care and on the other hand we are witnessing the most intense period of e-health solution development yet which holds the promise of realising a superior state for healthcare delivery. At such a time there are clearly several considerations that must be considered regarding the technology innovations in healthcare , or as we have coined the term elnnovations in health. In an attempt to highlight such key issues and developments we have compiled the following special issue. It was never our goal to provide an exhaustive list of topics but rather a pot-pourri of topics that focus on important aspects of elnnovations in health that will help to stimulate further debate and engage more research in this vital area. The eight papers that make up this special issue include: "Evaluation of Microsoft HealthVault and Google Health Personal Health Records" by Ali Sunyaev This paper examines and compares the design of application programming interfaces of two personal health record systems.
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