It's geek humour at work

[sbisson]

Looking for a plumber to come fix our ailing boiler (why do they go wrong in the middle of winter?), we came across a series of web sites designed by a company called Blue Halo, who seem to specialise in web presences for small businesses.

"But why call themselves Blue Halo?" asked marypcb.

"Sure", I said, looking at the images^* on one of their sites, and thinking of the early days of the web. "It's obviously the gas ring..."

^*they were all pictures of a lit gas hob