Goldenberg Enters the Blogosphere Blasting Common Core


Diane Ravitch's blog

Michael Paul Goldenberg, a frequent commenter here, has entered the blogosphere on his own by writing for the Chalkface, a site for lively and controversial opinion.

In his first entry, he questions the logic of introducing the Common Core to all grades simultaneously. Doing so, he cogently argues, defeats the purpose of assuring coherence and continuity across the nation.. The child in fifth grade will never be exposed to what was taught in fourth grade.

A sensible rollout would have started in first grade only, then added a grade a year.

But hubris knows no limits.

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Pure Storage Raises $150M And Sets For Battle With The Storage Giants



Pure Storage has raised $150 million for its super-fast and feature-rich flash storage technology. The round was led by T. Rowe Price, Tiger Global Management and “other public market investors,” along with participation from previous investors Greylock Partners, Index Ventures, Redpoint Ventures, Samsung Ventures and Sutter Hill Ventures. The new funding brings the company’s total capital raise to $245 million. The company said in its announcement that the funding puts it on track to pursue an IPO.

Flash storage is a hot sector of the enterprise market. Hard drives with mechanical disks can’t move data as fast as customers want. Solid-state flash does not have the encumbrance of all those moving parts, which enables data to move at a scale far faster than with hard disks.

Pure Storage has capitalized in the market by providing a pure-flash system. It is in direct competition with EMC, the storage technology leader…

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Forget Facebook: Pandora’s CTO wants to embrace the real world



Whenever startups talk about making music social, it’s all about Twitter and Facebook; either to share music with the social web or to get social music recommendations. But when I sat down with Pandora (S P) CTO Tom Conrad this week, I got to hear a decidedly different take on what it means to be social with regards to digital music.

“Social networks don’t matter as much,” Conrad told me. Instead, he wants to focus on the social interactions each of us have every day while listening to music in the same physical space. Sure, Pandora also offers options to share music on Twitter and Facebook, (S FB) but Conrad said that only a small percentage of listeners make use of these features. On the other hand, almost everyone has listened to a Pandora station in the presence of others before, Conrad argued.

How could a service like Pandora take…

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