Grog for yea all!
Our SETI.Germany Blog says:

The scrounger could not have expected this when he nicked the iMac 27 of our matey CR62! The stolen computer was running BOINC which does not only crunch scientific projects but, as it turns out, is also a useful anti theft protection installation.

The iMac which was stolen from the office around 3am on August 25th was already contacting the BOINC project WUProp the next day to transfer data. The thus copied IP address was given to the police who consequently applied for a search warrant and managed to secure the iMac by September 2th.

In response to the latest success of the BOINC project Einstein@Home where volunteers donate their unused computer time to search for pulsars and gravitational waves it should be said that:
Not only was a Pulsar found but now also an iMac!!

http://en.wikinews.org/wiki/Computer_theft_solved_thanks_to_BOINC
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Grüße vom Sänger
Und das Schiff mit acht Segeln,
und mit fünfzig Kanonen,
wird beschiessen die Stadt.