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The World Wide World: IT Ain't Just the Web ... - Cdn.oreilly.com

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Persuadio: Finding plankton in an ocean of data<br />

“I cannot stress strongly enough how early we are in all this,” technology writer and<br />

analyst Mitch Ratcliffe says at <strong>the</strong> end of a conversation about Persuadio, <strong>the</strong> <strong>com</strong>pany<br />

he founded. Indeed, <strong>the</strong>re isn’t enough room to describe it all here, but <strong>the</strong>se are<br />

highlights. At PC Forum Persuadio will launch MyDensity, a free Java-based tool<br />

that creates a visualization of a Technorati-style “link cosmos” (SEE RELEASE 1.0, JULY<br />

2003) – all <strong>the</strong> website/weblog links to a particular site. “We hope people use it as a<br />

tool to browse <strong>the</strong>ir maps and discover connections,” says Ratcliffe. But that’s just <strong>the</strong><br />

start. <strong>The</strong> <strong>com</strong>pany is in <strong>the</strong> process of building an enterprise edition that can track<br />

memes as <strong>the</strong>y spread across <strong>the</strong> Net. First, Persuadio’s configurable <strong>Web</strong> crawler<br />

ga<strong>the</strong>rs <strong>the</strong> location and timestamp (from blogs) of all <strong>the</strong> instances of a particular<br />

phrase – say, “PC Forum.” <strong>The</strong>n Persuadio can visualize that data and show <strong>the</strong><br />

spread of an idea through a network over time. Finally, <strong>the</strong> software will include analytical<br />

tools to map traffic levels as well as <strong>the</strong> “social” relationships among <strong>the</strong> various<br />

sites that mentioned an idea: Who reads which sites? How did <strong>the</strong> idea get<br />

passed on? “You’ll be able to see strong social ties, weak links, well-worn paths<br />

between entities…” says Ratcliffe. In addition to its own <strong>Web</strong> crawler, Persuadio uses<br />

a Google <strong>com</strong>mercial license to ga<strong>the</strong>r data, and may partner with blog-indexing<br />

sites such as Feedster or Technorati, says Ratcliffe. But he’s got ano<strong>the</strong>r idea as well:<br />

“Instead of SETI@home, you could have Google@home. We will open-source our<br />

<strong>Web</strong> crawler so that anyone can make an index about <strong>the</strong>mselves or <strong>the</strong>ir interests.<br />

We just ask that people give that data back to us. It’ll offer a much more granular<br />

view of <strong>the</strong> world,” and without <strong>the</strong> need for Google’s huge data center. “We’re still<br />

only able to describe <strong>the</strong> first few feet of this ocean of data,” says Ratcliffe. “We want<br />

to get to a point where we can see plankton instead of just looking for whales.”<br />

Send Word Now: Lack of <strong>com</strong>munication breakdown<br />

“I started researching group <strong>com</strong>munication before 9/11,” says Send Word Now<br />

founder Sandy Cohen. “Everyone was going to be reachable with one identifier, but<br />

no one knew if it’d be a phone number, e-mail, text messaging ID, or something else.<br />

After 9/11, I heard hundreds of stories about <strong>com</strong>munication breakdown. It was a<br />

question of <strong>the</strong> reliability of public <strong>com</strong>munication systems.” So he built Send Word<br />

Now, which allows an individual to broadcast a message to a group of people, from<br />

any device (landline, mobile phone, <strong>com</strong>puter) and over any <strong>com</strong>munication network<br />

(phone, cell-phone network, <strong>the</strong> <strong>Web</strong>). It also allows users to ask poll-like<br />

questions and ga<strong>the</strong>r responses. He first started selling <strong>the</strong> service to <strong>com</strong>panies and<br />

government agencies preparing emergency response and business continuity plans.<br />

“But as we worked with customers, we noticed that people used it more frequently –<br />

MARCH 2005 RELEASE 1.0 57

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