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Photo sharing applications are no longer just about manipulating and uploading photos to the cloud. The success of Instagram has shown that photo sharing apps need a way for users to interact in real time, one where users can subscribe to channels and notify other users that they’ve uploaded a...

The generally “go-to” app for real-time interaction is some form of messaging, be it text chat, video or audio. However, we all know there must be more applications of real-time communication out there. File transfer is one of those applications that developers seem to have forgotten about, probably...

**NOTE: Since we wrote this tutorial, we’ve released a new, completely-redesigned version of our iOS SDK (4.0). We rebuilt the entire codebase and took advantage of new features from Apple, simplifying and streamlining the SDK. The code from this tutorial still works great, but we recommend checking...

Bloggers are often pointed to as the taste-makers of internet. For example, in the music world, the hippest of hip music is usually first discovered and promoted by bloggers. Sadly, if they want to share cool stuff with their audiences, they still have to do it the Web 1.0 way. Push Any Content with...

First: sign-up for a PubNub account. You have always wanted to send CSS updates to your website or HTML5 mobile app in Real time. How do you do this? It was hard before PubNub right? Change the value of the CSS in the text box below, then press “Broadcast CSS Changes” button. What will pressing...

This tutorial walks you through how to build real-time multi touch functionality with PubNub, enabling you to sync multi touch actions across any number of devices. Check out the live multi touch demo here (open in two browser windows), or check out the multi touch source code. Use your fingers to transmit...

node js is an exciting and promising new server-side application platform for building apps using JavaScript. However, not everyone knows that node js can be supercharged using PubNub to connect a human audience. PubNub believes in node js as a powerful app server and that’s why we have created...

Yesterday, BoingBoing posted an article with a new Facebook Icon for “Meh” Button, opposed to “Like”. Inspired by this, PubNub developers built the Facebook “Meh” Button and added real-time functionality to it. This button can be used with the Facebook “Like”...