78. Bioinformatics Web indexing
Financial modelling
File processing
Data mining and BI
Data warehousing
Fraud detection
Targeted advertising
79. Click stream analysis for Best Buy
3.5 billion records
71 million unique cookies
1.7 million targeted ads
13 Tb of clickstream logs
Each day
80. Click stream analysis for Best Buy
Workflow time from 2 days to 8 hours
Procurement time from 2 months to 5 minutes
$13k per month
500% increase return on advertising spend
81. Web log analysis and recommendation engine
$29.9 million in sales
842 million page views
434 Gb of page logs
97 million ‘favourites’