Usage of web in education

In this scientific article the author use the weblog as an educational journal

The world financial cris

In past someone told me that money is so motivating that it can make people ingenious. From what i am see in Stocks today it make me remember the TSUNAMI that occurred near Malaysia.
- Could we predict this crisis?
- What are this lessons to take from it?
- How to prevent a future one?

I hope that my questions find answers.