They describe the service as:
GoInstant, the startup that is redefining web sharing, delivers a patent-pending technology that provides the first “shared” web-browsing capability for intuitive and real-time collaboration without any downloads or plugins. Customers, partners and colleagues can easily join online sessions, browse the web and interact fully together as if seated side-by-side.
Engage your customers on your website and inside your application, in real time.
GoInstant brings you, your customer and your product together within seconds, so you can focus on what's really important. For sales, GoInstant lets you put the prospect in front of your product faster than anything else. For Customer support, it means you can solve problems faster and make customers happier by turning a bad situation in to a positive one.It was founded in September 2010 by Jevon MacDonald, Gavin Uhma, Kirk MacPhee, and David Kim. The all-star group of investors include Reid Hoffman, Howard Lindzon, Josh Felser and Dave Samual, Baseline Ventures, Chamath Palihapitiya, Innovacorp, Boris Wertz, BOLDstart Ventures, Yuri Milner, Matt Wyndowe, Jonas Brandon and Daniel Debow.
From GoInstant's Vimeo account:
It is also on YouTube: