A searchable database of user-agents as used by browsers, search-engines spiders and crawlers, web-directories, download managers, link checkers, proxy servers, web filtering tools, harvesters, spambots, badbots. Sorted by the user-agents names with informations about their type, purpose and origin.
A human life is worth $6.2 million, Amar said, referring to a value that was used by EPA in the past. What do you need -- about 150 people to die? And that's a billion dollars.
If we build a database for $20 million, it certainly has a shelf life of five years or less, making the annual depreciation about $4 million. Annual maintenance and upkeep (adding data, cleaning data, appending data, merge purge, running reports) plus software and staff will cost approximately $2 million.