#4 Helio

Helio was a mobile virtual network operator using Sprint's network that offered wireless voice, messaging and data products and services to customers.

Helio was also a smartphone brand which had several models. They ran TV commercials with the slogan, "Don't Call Us a Phone Company; Don't Call it a Phone."

Helio also began advertising on billboards, in the print media and on MySpace to promote the product. Helio resulted in millions of dollars of losses per month and didn’t do well in the market.

#5 Windows Vista

Microsoft’s much hyped successor to windows XP, which was released in January 2007 was an instant disaster. Windows Vista users were irritated with spotty drivers and intrusive security measures that made even the simplest operations to stumble.

Businesses on the other hand completely shunned Vista on concerns about incompatibility with older applications and potential which was beyond typical office PC.

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