CeBIT overview Showcase brings cheer in troubled times Although not quite as big as it was last year, CeBIT - which opens its doors in the northern German city of Hanover today - is still comfortably the world’s largest marketplace for IT and communication products and services Future technologies In the end, it's all about profits With a new mood of realism, venture capitalists focus sharply on projects that will generate revenues within two years, rather than longer term, blue sky products for a brave new world IT in travel A wake-up call for the industry As competition intensifies, online and mobile technologies offer huge opportunities across all sectors of the travel business B2B online exchanges Fallout is far from over in electronic marketplaces Although many public online B2B exchanges have failed, there is optimism concerning private exchanges