The Withings PHP library by Alexander Liljengård was written with the purpose to adapt to the body metrics' functionalities of the API. It works with OAuth1 to get measures of activity, body, intraday, and sleep. For more information about authorization, parameters, and reference, visit http://oauth.withings.com/api
Before the first iPhone was released in June 2007, it was remarkably easy to question just how large the consumer market for smart phones would be. Similar questions are being raised about "wearable" internet-connected devices but perhaps with the iPhone lesson in mind, a growing number of companies are unveiling offerings targeting the nascent wearables space. The latest: Google.