The Push Module provides your app with the ability to send push messages to Android and iOS devices. Beside the functionality to send plain messages to your apps users, all other enabled modules are enriched with push features; that is, other modules may use push messages afterwards for a variety of use cases.
Shortly after Microsoft unveiled Windows Phone 8, Urban Airship announced the alliance agreement it signed with Microsoft to provide its push messaging services on Microsoft Azure and Windows Phone 8. Urban Airship's APIs already enable push messaging on Android, Blackberry, and iOS; accordingly, Windows Phone 8 makes a natural fit.
Three months after its initial launch, much-talked-about data portability service Gnip has released version 2.0 of its API, as well as the first glimpse of a business model. As we covered back in March, Gnip's goal is to "connect Data Consumers to Data Publishers in a low-latency, highly-scalable standards-based way." Gnip is a sort of proxy that makes data from diverse Publishers--services like Delicious or Twitter, which create activity content--available in a unified format, and notifies Consumers--like FriendFeed or Plaxo--via a push interface when new data is available. The new version of the API adds full data delivery, XMPP support, and advanced data filtering.
There’s a lot of focus these days on securing applications and the devices that consume them. But when it comes to all the layers of software in between that enable all the applications to be consumed, security has largely been an oversight.