Bill Gates could give away 98% of his wealth and still be a billionaire.
20
Duracell, the battery-maker, built parts of its new international headquarters using materials from its own waste.
89
There's a café in France which charges €7 for a coffee to rude customers and €1.40 to people who talk politely to staff.
17
The retail price for the iPad would be $1,140 if it were built by American workers instead of Chinese.
100
The first product that the toy company Mattel came out with was picture frames.
17
Starbucks uses round tables to make solo coffee drinkers feel less alone.
11