Ongo lets readers create custom topic pages and makes it easy to share stories on Facebook and Twitter.

FORBES: Technology

Evri uses semantic analysis and natural language processing to create the topic pages.

FORBES: Evri iPad App Brings Discovery To News Reader

Start typing letters into the search box and links to posts and topic pages instantaneously begin to drop down.

FORBES: Inside Forbes: How Our New Typeahead Search Makes It Fast and Easy for Readers

The days are numbered for those little-trafficked topic pages that so many sites (including us) created over the last couple of years.

FORBES: Our new 400 pages: Wealth Meets Data

There are other selling points, too, including the ability to create topic pages and social tools that make it easy to share stories with friends.

FORBES: Ongo: Aggregation So Good, You'll Pay for It. (Maybe.)

We will leave aside, for today, the logic of the stimulus (though I have tackled that topic in these pages here and here).

FORBES: Sustainability -- I Do Not Think That Word Means What You Think It Means

Mental depression is such a common topic in lifestyle pages and pharmaceutical ads that Americans might be forgiven for thinking of it as a strictly modern malady.

WSJ: Robert Burton | The Anatomy of Melancholy | Digressions on a Diagnosis | Masterpiece by Danny Heitman

Now that AIDS has disappeared from the front pages and gay marriage is the topic du jour, will "Angels" look more like a period piece or an ever-relevant classic?

WSJ: Waiting for 'Spider-Man'; The Return of 'Angels'

Every issue has 36-pages and the contents assist kids to do further research on the topic by presenting a list of recommended websites and books.

FORBES: Top Children Magazines In 2012

This new set will generally have several thousand pages in it and can be expected to contain all of the important documents on a particular topic as well as many irrelevant ones.

ECONOMIST: Hits and misses