The Genesys Callback Push Notifications iOS Sample Code demonstrates how to send asynchronous messages (push notifications). While iOS uses APN (Apple Push Notifications) and Comet, Android employs GCM/C2DM and Comet.
Vonage today announced that it is acquiring communications platform-as-a-service provider Nexmo in a cash and stock deal valued at $230 million. Nexmo counts some 350 customers and over 100,000 registered developers, and says that it is processing 5 billion API calls every year.
The Library of Congress announced the successor to Thomas.gov (the current site to access congressional information). Congress.gov will eventually provide access to the same information as Thomas.gov, and more; however, Congress.gov provides easier access to the data via a series of APIs.