Sean Portnoy

Contributor

Sean Portnoy started his tech writing career at ZDNet nearly a decade ago. He then spent several years as an editor at Computer Shopper magazine, most recently serving as online executive editor. He received a B.A. from Brown University and an M.A. from the University of Southern California.

Sean Portnoy is a freelance technology journalist; currently, all work that Sean does is on a contractural basis. Sean has also written corporate communications documents for CA.Sean does not accept gifts from companies he covers. All hardware products he writes about are purchased with his own funds or are review units covered under formal loan agreements and are returned after the review is complete.

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Sharp slashes prices on its new Quattron LED-backlit LCD HDTVs

Sharp slashes prices on its new Quattron LED-backlit LCD HDTVs

With much fanfare—including an advertising campaign built around former Star Trek star George Takei—Sharp looked to regain some market share with the introduction of its new Quattron HDTVs at CES in January. The LED-backlit LCDs were the first using the company's "quad-pixel" technology, which adds yellow sub-pixels to the usual RGB primary colors.

May 16, 2010 by in CES 2021

Vizio's CinemaWide 58-inch 3D HDTV priced at $3,499, but who's buying?

Vizio's CinemaWide 58-inch 3D HDTV priced at $3,499, but who's buying?

Vizio is taking a chance that there's a set of TV buyers who is looking to recreate the ultra-widescreen experience of the movie theater in its living rooms. The company introduced its new CinemaWide set, which uses a 21:9 aspect ratio instead of the 16:9 aspect ratio of conventional HDTVs, at CES last month, and has just put a (big) price tag on it.

February 2, 2012 by in CES 2021

HomePlug revival continues with new Netgear Powerline gear

HomePlug revival continues with new Netgear Powerline gear

Remember when, not so long ago, home networking using power lines seemed down for the count due to slow throughput rates, especially as Draft N wireless devices entered the market? Thanks to improved technology, the HomePlug standard is staging a comeback, with big-name brands like Linksys releasing new kits using the updated HomePlug Turbo and HomePlug AV flavors.

November 18, 2008 by in CES 2021