Silicon Valley Vs. Silicon Alley [INFOGRAPHIC]

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In the last year, the city has pumped up its digital initiatives, welcomed prestigious startup accelerator TechStars, opened new offices for Twitter and Facebook and announced plans for a 2.1-million-square-foot Cornell tech campus.

Along the way, Mayor Michael Bloomberg has framed New York City as a Silicon Valley rival.

"We understand that we will not catch up to Silicon Valley overnight," he said in a speech to the business community. "Building a state-of-the-art campus will take years, and attracting a critical mass of technology entrepreneurs will take even longer. But -- as with everything we have done -- we are taking the long view."

Staff at the University of North Carolina's Kenan-Flagler Business School have summed up the promising new companies, seed funding and fighting words coming from each location in the interactive infographic below.

"Regardless of what side you’re on," they write in a blog post, "many would agree that there’s no better time to be an entrepreneur."