Phone More Important than Wallet?

The answer appears to be yes for a significant minority according to a new survey by Mformation. According to the survey, which polled 4,000 people in the US and UK:

In addition to telephone numbers:

In terms of loss or theft:

That last data point now partly reflects that people have confidence credit cards and other information in wallets can be replaced with comparative ease. But it also shows how "personal" mobile phones have become, especially smartphones:

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Source: Pew Internet Project (12/07), n=2,054