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The social shopping site Blippy made a big splash in the tech blogosphere earlier this week with an unlikely feature: the most amazing 404 error page anybody had seen in awhile. The page features a rainbow and a cartoon unicorn who, when clicked, begins reenacting the now famous "Double Rainbow" meme as the rainbow on the screen expands into a double - and yes, almost triple - rainbow.

It might seem counter-intuitive to put so much effort into the page on your site that you want visitors to see the least, but a good 404 page can be a critical component of your site's user experience, so long as a few general pointers are followed.

Thursday was a good PR day for the social buying site Blippy. They were featured in two New York Times articles. But Friday wasn't so great, as the major technology blogs reported that credit card information from its users were found on Google. An hour later, Blippy responded with a post on its blog, explaining that the leak was months old and affected only four beta users, not current Blippy users. Later, they amended the blog post to include an apology. News of more credit card leaks continued on Saturday. Of course, Blippy is by no means the only startups to suffer from potential public relations disasters, and it remains to be seen what, if any, impact this has on the site.

Blippy's response, including the need to re-edit its official announcement, demonstrates the importance in responding quickly and correctly to a crisis.

Blippy, the controversial site where the over-sharing, Web-connected generation can link their credit cards and share their purchases has just come under fire from numerous tech blogs as it has been discovered that people's credit card numbers are now available on Google.

The site's value has been hotly debated since its launch with some saying it's an incredible recommendation service while others say it's a privacy disaster waiting to happen. Interestingly enough, it was featured yesterday on the New York Times, where that same question was posed to readers.

Would you broadcast information about your credit card transactions publicly on the Internet? That might sound frighteningly irresponsible, but serial entrepreneur Phil Kaplan says his new social network Blippy does that and represents the way of the future. I thought he was crazy - until I sat down and talked with him today at SXSW. In just a few minutes Kaplan melted my skepticism and got me excited about what Blippy is doing.

You may have read about Blippy on sites like TechCrunch, Venturebeat and CNN. Kaplan shared a few things with us today that haven't been published anywhere else though, and the story of Blippy is generally interesting. Here are seven things you probably don't know about Blippy, a very far-out social network.

At the annual Salesforce user conference this year, DreamForce '09, the buzz was about its ability to merge people's streams, Twitter for example, into their CRM solution.

A new question for the industry emerges: Will the Salesforce cloud reach consumers on on their own timeline, or instead will social media own the stream and connect to the company directly?