State of the Art

Fall of the Banner Ad: The Monster That Swallowed the Web

By FARHAD MANJOO

Stuart Goldenberg

In the 20 years since their introduction, banner ads have ruined the appearance and usability of the web, perverted content and diminished privacy.

Minh Uong/The New York Times

Machine Learning

Augmenting Your Password-Protected World

By MOLLY WOOD

While passwords aren’t likely to disappear soon, new technology that uses eyes and fingerprints as identifiers can protect data more easily.

Tony Cenicola/The New York Times

Gadgetwise

Wearable Gear and Apps to Make Running Healthier, and a Lot More Fun

By GREGORY SCHMIDT

A look at products ranging from sensor-equipped shirts that can track your workout to apps that can turn a long jog into an exercise in play.

App Smart

Hold the Phone: There’s Breaking News!

By KIT EATON

News apps like Flipboard, Circa News and BBC News help keep users updated on breaking events.

App Smart Video: News You Can Use

Q&A

How to See a Full Web Address on the Safari Browser

By J. D. BIERSDORFER

The browser’s settings can be changed, or users can click on the address field. Also, a considering the value of a touch-screen PC.

Q&A

Turning the PC Into a DVR

By J. D. BIERSDORFER

Plus, donating a Windows XP computer.

More State of the Art

State of the Art

Amazon’s Grand Design in Devices

By FARHAD MANJOO

The overall strategy behind the retailer’s hardware lineup appears puzzling. Its devices sound fantastic in theory but often fall short.

State of the Art

Apple Strengthens Pull of Its Orbit With Each Device

By FARHAD MANJOO

The tech giant has succeeded in ensuring that its phones, tablets and computers work seamlessly together. You might never leave.

More Machine Learning

Machine Learning

Bluetooth Smart Improvements Appear in More Devices

By MOLLY WOOD

An update made in 2010, also called Bluetooth 4.0, uses less power and has better pairing capability.

Machine Learning

GoPro Cameras Face Simpler Competition

By MOLLY WOOD

If you just want a portable, easy-to-operate still and video camera, it’s worth taking a look at some alternatives now on the market or coming soon.

Video: GoPro or Go Budget

More App Smart

App Smart

Spanish as a Second Language, With the Accent on Fun

By KIT EATON

Plenty of smartphone apps offer worthwhile and entertaining lessons.

App Smart Video: Free Spanish Lessons

App Smart

Don’t Be Afraid of These Halloween-Themed Apps

By KIT EATON

Play games, and get ideas for pumpkin carving, recipes and more for the spooky holiday.

App Smart Video: Finding Halloween Fun

More Gadgetwise

Gadgetwise

A new section on the Flipboard news app, The Daily Edition, is made up of stories chosen by editors and functions as a kind of front page.

The Latest Flipboard Serves Up the News and Some Surprises

By FARHAD MANJOO

The latest version of the Flipboard tablet magazine offers a staff-selected “front page” of stories and a wide range of extremely specialized topics.

Gadgetwise

Fashion and Functionality Meet in Smart Jewelry

By GREGORY SCHMIDT

Manufacturers are teaming up with designers to produce stylish bracelets, rings and cuff links that are also tech devices.

More Q&A

Q&A

Sorting the Phone’s Address Book

By J. D. BIERSDORFER

Also, using Google Maps “Lite” and private searches in OS X Yosemite.

Q&A

Shining a Light on Nosy Apps

By J. D. BIERSDORFER

Plus, creating a fund-raising page on Facebook.

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Featured Columns

Machine Learning

A collection of Machine Learning columns from The New York Times.

State of the Art

A collection of State of the Art columns published in The New York Times.

Q & A

A collection of Q & A columns from The New York Times.

Tool Kit

A collection of Tool Kit columns from The New York Times.

App Smart

A collection of App Smart columns and articles about mobile applications from The New York Times.

More News and Reviews

Wired Well

A series from The Well blog explores how technology can help us better understand our personal health.

Interactive Feature

The Well Guide to Activity Trackers

The Times tested some of the latest and most popular trackers to compare how they work and the various features they offer.

Interactive Feature

What Your Activity Tracker Sees and Doesn’t See

High-tech fitness and activity trackers all share one thing: an accelerometer. Here’s how they work — and don’t.

Teardown Graphics

Gadgetwise

Creativity Unleashed, With the Help of a Little Pi

Raspberry Pi, a tiny computer the size of a credit card, has captured the imaginations of students, educators and tinkerers around the world since it became available in 2012.

Graphic

TOOL KIT

A Sensor Guided by Voice or Gestures

Microsoft wants the Xbox One to be the center of a home’s entertainment universe, providing Skype video calls and playing television shows, music and more.