"It's great to see these companies contributing some data with their own employment numbers," she says.
It didn't take the obvious step of providing a simple way for users to synchronise data with their own PCs.
The drug companies, she said, would be on their honor not to share the data with their sales staffs.
Because of tariffs, pricing anomalies and even corporate cultures, Internet providers will often not exchange data with their local competitors.
At the same time, retailers have collected better information about what consumers are buying, and what they might want, and have shared that data with their suppliers.
RealMapping also charges $10,000 to $100,000 to set up the system so companies can combine the I.P. address data with their own databases.
But those who have benefited the most are experienced clinicians who appreciate how to integrate the new data with their clinical skills.
The wafer-thin Memory Sticks allow users to store and swap pictures and data with their digital cameras, personal digital assistants and computers.
Facebook users can log into Waze using their Facebook accounts and share their location data with their Facebook friends.
In general, opt-out terms are often difficult to access and many Web site operators' terms and conditions include a clause allowing them to share data with their commercial partners, which then apply their own rules to the data.
It helps small businesses to improve their systems and collect good data, allows businesses to share data with their customers and suppliers, and lets big companies look at risk and how to improve the supply chain.
