At the risk of seeming Google-centric, I have to point out that it's even possible to manage basic documents and spreadsheets online -- once proprietary to bloated Microsoft Office products -- for free with Google Docs.

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Even Glu just announced that it will also open up a Beijing office, but the company says that because of its proprietary technology, its costs are a fraction of what others pay.

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The tool uses proprietary algorithms to estimate the value of your home based on assessors-office data about your house, median home prices in the area and recent sales of comparable homes nearby.

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