Amazon, by far the largest bookseller in the country, reported on May 19 that it is now selling more books in its electronic Kindle format than in the old paper-and-ink format.

Believe it or not, that's the number of Americans who struggle with hanger To make tomorrow a little better, Feeding America, the nation's largest domestic hunger-relief organization, has chosen September as Hunger Action Month.

Another trend that looks significant in 2015 is that America's largest population group, millennials, will continue to put off buying a house.

As far as sunken planes go, this airbus A0 is the largest intentionally sunk aircraft ever.

As water tables have fallen and irrigation wells have gone dry, China's wheat crop, the world's largest, has declined by 8% since it peaked at 123 million tons in 1997.

In 2004, the completed CIS tower became Europe's largest collection of vertical solar panels.

In agrarian, pre-industrial Europe, "you'd want to wake up early, start working with the sunrise, have a break to have the largest meal, and then you'd go back to work," says Ken Albala, a professor of history at the University of the Pacific.

In one US study that analysed the health data of 50,000 people over seven years, researchers found that those who made breakfast the largest meal of the day were more likely to have a lower body mass index BMI than those who ate a large lunch or dinner.

Textbook publisher Pearson is the largest publisher—of any kind—in the world.

The fifth largest city in US passed a significant soda tax proposal that will levy 1.5 cents per liquid ounce on distributors.

The fossil hall, which displays some of the world's oldest and largest fossil specimens, receives more than 2 million visitors each year.

The next largest amount of public money goes to teach and train our citizens.

The world's largest aircraft has taken to the skies for the first time.

The production and application of fertilisers and pesticides account for the largest part of energy use in the modern industrialised agricultural process.

Best Buy, for instance, has been bearing the lion's share of e-waste volume since two of its largest competitors, Amazon and Wal-mart, do not have their own recycling programs.

However, the largest known wooden churches were built from the 1130s onwards.

MegaFace's creators say it's the largest publicly available facial-recognition dataset out there.

Now, Africa's largest economy is facing a food crisis as major tomato fields have been destroyed by an insect, leading to a nationwide shortage and escalating prices.

One of the largest feeders for high school math competitions—including those that eventually lead to the IMO— is a middle school program called Math Counts.

So Brookdale, the country's largest owner of retirement communities, has been inviting a few select entrepreneurs just to move in for a few days, show off their products and hear what the residents have to say.

The insect, Tutaabsoluta, has destroyed 80% of farms in Kaduna, Nigeria's largest tomato-producing state, leading the government there to declare a state of emergency.

The new marine reserve, now the largest in the Pacific, will permit no fishing or mining.

The Pacific island nation of Palau has become home to the sixth largest marine sanctuary in the world.

Then you had a few companies involved, but not one of the largest companies in the world coming out with a lengthy and impassioned post, like we saw yesterday from timothy Cook.