Your Products Are of Use, 2008, Martin John Callanan
Your Products Are of Use, 2008, Martin John Callanan
Your Products Are of Use, 2008, Martin John Callanan
Your Products Are of Use, 2008, Martin John Callanan
Your Products Are of Use, 2008, Martin John Callanan
Your Products Are of Use, 2008, Martin John Callanan
Your Products Are of Use, 2008, Martin John Callanan
Your Products Are of Use, 2008, Martin John Callanan
Your Products Are of Use, 2008, Martin John Callanan
Your Products Are of Use, 2008, Martin John Callanan
Your Products Are of Use, 2008, Martin John Callanan
Your Products Are of Use, 2008, Martin John Callanan
On 1 January 2008, letters were posted to companies whose products were present at my London residence. The letters, addressed to the chief executive, stated, "Your products are of use". Several replies are recorded above.

The full list of companies to whom letters were sent:
3M Corporate Headquarters
Accantia Health & Beauty Limited
B.E. International Foods Limited
Bisto
Church & Dwight Co Inc
Church & Dwight UK Limited
Colgate-Palmolive (UK) Limited
E.C. De Witt & Co Limited
E.R. Squibb & Sons Limited
FDC International Limited
Fuji Photo Film Co. Limited
G. Costa and Company Limited
GlaxoSmithKline Consumer Healthcare
H+BC UK
Hakubaku Australia Pty Limited
Houseproud
HP Foods Limited
illycaffè S.p.A.
Inter IKEA Systems B.V
Johnson & Johnson
Kalio Foods Limited
Kao Brands Europe Limited
Kopparbergs Brewery
Lever Fabergé Limited
London & Scottish International Limited
Marigold Health Foods Limited
Mcllkenny Company
Napolina Limited
P&G Prestige Beauté
Pfizer Consumer Healthcare
Premier Ambient Products (UK) Limited
President
Procter & Gamble UK
PZ Cussons (UK) Limited
Reckitt Benckiser (UK) Limited
RHM Foods
S + B Foods Inc
Sainsbury's Supermarkets Limited
Schwartz
SSL International
Tate & Lyle
Tesco Stores Limited
The Boots Company PLC
Trevor Sorbie International PLC
Unilever UK Limited
Waitrose Limited
Wella AG
Yves Rocher