Sean Portnoy

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.

Latest Posts

Is your Internet TV vulnerable to hackers?

Is your Internet TV vulnerable to hackers?

Manufacturers racing to create HDTVs that can connect to the Web may have rushed over an important step in trying to rush them to market: keeping them safe from hackers.According to the New York Times, security firm Mocana was able to hack an Internet-connected set "with unsettling ease.

published January 2, 2011 by

Comments

Hulu yanks IPO, mulls other subscription plans

Hulu yanks IPO, mulls other subscription plans

Once the hottest thing on the Web, Hulu is now retrenching as the video-streaming market matures and shifts. According to a Wall Street Journal article, the company -- which includes the parent companies of Fox, NBC, and ABC as investors -- has decided against filing an IPO to raise money and is considering additional subscription plans to supplement its current Hulu Plus offering.

published December 22, 2010 by

Comments

Vizio launches its largest HDTV ever: 65-inch passive-3D XVT3D650SV

Vizio launches its largest HDTV ever: 65-inch passive-3D XVT3D650SV

3D HDTVs may not be the big sellers that TV manufacturers and retailers were hoping for, but that hasn't stopped the onslaught of new models. This week, Vizio has announced that its biggest set ever, the 65-inch edge-lit LED XVT3D650SV, makes use of the company's Theater 3D technology, which requires cheaper passive 3D glasses rather than the pricier active-shutter specs.

published December 17, 2010 by

Comments

Comcast testing out new set-top box to compete with Google TV

Comcast testing out new set-top box to compete with Google TV

Broadcast networks might not like Google's version of "connected TV," but they might tolerate Comcast's version, which is currently being tested under the code-name "Xcalibur." According to the Wall Street Journal, the cable giant's new set-top box, which combines the usual DVR features with Web features, is being tried out by Comcast customers in August, Georgia.

published December 13, 2010 by

Comments

Watch brand-new movies in your home -- after a $20,000 setup fee

Watch brand-new movies in your home -- after a $20,000 setup fee

If you're one of those people who gets enraged when you hear about how movie studios are considering letting you watch a recent movie in your home for $50 a pop, you may not want to read the rest of this. If you're a multimillionaire who can't bother going to a movie theater, however, this post could be for you.

published December 8, 2010 by

Comments

Microsoft planning TV service for Xbox Live subscribers?

Microsoft planning TV service for Xbox Live subscribers?

While gaming consoles have been adding existing video services to their roster of Internet content -- like Netflix's on-demand video streaming -- Reuters is reporting that Microsoft may have a slightly different idea in mind for its Xbox Live subscribers.The tech giant is mulling a dedicated TV service that will be available to exclusively to Xbox 360 gamers.

published December 1, 2010 by

Comments

Should you wait until after Black Friday to buy an HDTV?

Should you wait until after Black Friday to buy an HDTV?

We all get caught up in the deals that are on offer for Black Friday, dissecting each ad and door buster, but is this weekend really the best time to make a purchase, especially when it comes to a big-ticket item like an HDTV?There are signs that even Black Friday sales like the $298 40-inch Westinghouse LCD at Target aren't going to make consumers go gaga over TVs.

published November 23, 2010 by

Comments

The best of ZDNet, delivered

You have been successfully signed up. To sign up for more newsletters or to manage your account, visit the Newsletter Subscription Center.
Subscription failed.

Top Stories