Hence the interest from IBM and Microsoft.An open-source solution?The third big industry trend is arguably the most promising of them all.
Stark contradictions also exist in the Maldives' second biggest industry, fishing.
This is the fourth biggest industry in the country, and only three men in this industry ever went to jail.
"Cultural tourism could become Iraq's second biggest industry, after oil," said Philippe Delanghe, a United Nations official helping with the project.
Tourism may be Britain's second biggest industry after finance, yet it has no department, no minister, no parliamentary lobby.
Over the last decade and a half, many Hispanics have come to Wyoming for jobs in agriculture (Wyoming's third largest industry) and tourism (the state's second biggest industry).
Tourism constitutes the fifth biggest industry in this country, employing 1.4 million people directly and a further 1.3 million indirectly, or 2.7 million overall.
As images of bison carcasses appeared in the media, some wildlife advocates called for a tourism boycott, threatening the state's second biggest industry after agriculture.
Of the 351 members of the Union of Bullfighting Breeders, the second biggest industry body in Spain, only 50 escaped going into the red last year.
The night-time economy – made up of pubs, clubs, bars, restaurants, music venues and so on – is the UK's fifth biggest industry: according to economic research consultancy TBR, it accounts for 1.3m jobs, and has a yearly revenue of £66bn (6% of the UK total).
