Fer those who missed it, you can see it over here - starts at 11 minutes:
BBC iPlayer - Countryfile: 03/04/2011
Don't think anyone on ere has anything to worry about. Yer rusty ole buscuit tins are only worth scrap value, when weighed in.
Fer those who are worried, then have a look at skytag
GPS Tracker
When paying for it, enter the code "lro10" to receive the lro mag discount offer. This means the price is only £90, rather than £249. There's also a subscription thing to keep it going afterwards of £6.99 per month if I understand it correctly.