There are a number of ways of delivering data in real-time but until recently it has looked like PubSubHubbub, with the backing of Google, was going to be the preferred method. However, the past couple of weeks have seen a couple of interesting developments which could indicate that the developer community may actually prefer HTTP Streaming. The emergence of the real-time web has seen an increase in the visibility of technologies that facilitate the delivery of data in real-time. Twitter was ...