Stephen Blum

Mitigate and Prevent Subscription Sharing for SaaS Companies
BuildOct 20, 2014

Mitigate and Prevent Subscription Sharing for SaaS Companies

With any subscription based service, particularly SaaS, companies (like Netflix and Adobe Creative Cloud) are dealing with the problem of account subscription sharing. A user can begin a subscription and give another user their login credentials. So how can we mitigate, or better yet, prevent subscription...
Stephen Blum
Stephen Blum
CTO, PubNub
Real-time Dashboard: Fast and Easy Startup Metrics Tutorial
BuildOct 8, 2014

Real-time Dashboard: Fast and Easy Startup Metrics Tutorial

In this tutorial, we’ll walk you through how to build a fully customizable real-time dashboard for metrics.

Stephen Blum
Stephen Blum
CTO, PubNub
PubNub Patches Bash Bug ‘Shellshock’ Vulnerability
News Sep 29, 2014

PubNub Patches Bash Bug ‘Shellshock’ Vulnerability

PubNub had applied patches to address the Shellshock Bash vulnerability across our entire data stream infrastructure.

Stephen Blum
Stephen Blum
CTO, PubNub
Real-time Collaboration Sync with Parse API and PubNub
BuildAug 26, 2014

Real-time Collaboration Sync with Parse API and PubNub

By combining the Parse API with PubNub Data Streams you can obtain the ultimate developer toolkit powerful enough to scale your successful mobile app to billions of users. Using the Parse API for user management with large file storage and PubNub for data streams, you can  power live user communication...
Stephen Blum
Stephen Blum
CTO, PubNub
PubNub Welcomes GoInstant Developers with Migration Tools
BuildAug 2, 2014

PubNub Welcomes GoInstant Developers with Migration Tools

On August 1st, GoInstant announced the shutdown of their service as of August 31, 2014. PubNub is here to help ease your transition by providing you tools to migrate to our globally replicated data stream network. Unfortunately, if you don’t export your GoInstant data, GoInstant has announced they will...
Stephen Blum
Stephen Blum
CTO, PubNub
Using PubNub and Google Dart to Subscribe to a Bitcoin Feed
BuildJul 18, 2014

Using PubNub and Google Dart to Subscribe to a Bitcoin Feed

Earlier this year we received a question about how to use the PubNub Data Stream Network without an SLA officially supported SDK provided by PubNub. This specific case regarded using Google Dart and PubNub to subscribe to a bitcoin feed. We don’t recommend doing this, and we recommend using the...
Stephen Blum
Stephen Blum
CTO, PubNub
Creating Real-Time WebGL Visualizations
BuildFeb 6, 2014

Creating Real-Time WebGL Visualizations

Create stunning real-time 3D visualizations with WebGL and PubNub. Here’s how…

Stephen Blum
Stephen Blum
CTO, PubNub
JavaScript + PHP = Real-time Stock Quote API
BuildOct 30, 2013

JavaScript + PHP = Real-time Stock Quote API

How to build a real-time stock quote streaming application with PubNub using PHP and JavaScript

Stephen Blum
Stephen Blum
CTO, PubNub
Streaming Geo Coordinates API From MongoDB: iOS App
BuildMay 3, 2013

Streaming Geo Coordinates API From MongoDB: iOS App

**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...
Stephen Blum
Stephen Blum
CTO, PubNub