The California-based company, that allows people to store and organise personal data on an external server, is thought to have about 50 million users.

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The downside of geocoding Web services is that they tend to require a license if you want to make lots of requests and, because they involve extra back-and-forth with an external server, they can slow down processes.

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Which is why I will be taking my presentation on my computer, putting it on an external drive, posting it to an FTP server for a colleague to download and putting my FedEx account number on speed dial in case a copy needs to get to the hotel overnight.

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