Interpol is on the hunt for fugitives accused of such crimes as ivory smuggling. illegal logging, and trafficking live animals
The cosmetics retailer is facing a lawsuit
The oil market has moved beyond the Keystone XL pipeline
A new tool detects computer malware that’s watching your every move
The provider of high-interest business loans nears an IPO, on the strength of its data-powered credit analysis—and a network of shady brokers
Nike expects revenue from women to outpace its men's business.
Twist, stretch, twirl: a day in the life of a candy cane
Educational Credit Management, a guarantor and collector of student loans, wants to buy 56 campuses from Corinthian Colleges
The novelty items are hot for retailers large and small
By Douglas MacMillan
Twitter hasn't made a penny—but that's not stopping a whole class of entrepreneurs from trying to build their own businesses on the back of the microblogging pioneer. Twitter makes its code available to outside developers who in turn can create their own tools that sort, analyze, distribute, append ads to, or otherwise interact with the millions of 140-character messages posted to Twitter each day.
From Twitter browsers to ad networks and multimedia tools, third-party programmers have dreamed up dozens of original ways to experience Twitter—and to make money from it. This BusinessWeek slide show tunnels through the many layers of the new Twitter ecosystem.