A mobile phone's built-in address book has limited usefulness. For instance, it only allows users to call people whose numbers they've already entered – which means people they know well. Directory assistance, on the other hand, is about reaching people or establishments one knows almost nothing about. But there's no easy way to deal with the vast territory in between – to reach people one knows only casually, or to learn more about people and companies one knows almost nothing about. San Francisco-based CallSpark, which presented at the recent DEMO conference, is trying to fill that gap.
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One of the more elusive dreams of emerging VoIP services is integration with social networks. The idea is compelling: if tens or hundreds of millions of people make calls to their social network "friends," someone will be able make a lot of money from it. So far, though, no one has had much success in appealing to such users. A startup that presented at the recent DEMO conference is trying to change that. OrganIP, run by France-based Digitrad, is trying to turn social networks into giant phone books.
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