A day before Apple's CEO Steve Jobs is due to give his speech, we take some snaps around the Macworld conference in San Francisco.

The theme to this years Macworld is "There's something in the air". Could it be an iPhone upgrade? Wireless synching for the iPod range? Perhaps Apple will become a global mobile phone carrier. Your guess is as good as ours.

The Macworld 2008 conference and expo is again being hosted in the Moscone Center in San Francisco -- it was a foggy morning today, with temperatures expected to be between 6-14 degrees Celcius.

Apple ad hides behind the turnaround section of the old cable cars in San Francisco.

The Macworld 2008 street flyers throughout the city

A large Macworld sign hung in the Moscone Center West, where Steve Jobs will deliver his keynote speech on Tuesday in the US.

Loading vans containing who-knows-what outside the Macworld conference centre.

Mac-mayhem is expected in Moscone Center South tomorrow morning at 11am in the US, after Steve Jobs gives his keynote speech and a throng of media and Apple enthusiasts rush to play with the shiny new toys.

Escalators leading down to the exhibition floor in Moscone Center South.

Macworld merchandise being laid out for sale to the fanatics.

Apple's San Francisco store, with an insanely large model of an iPhone running in the window.

There were very small queues this morning of media, exhibitors and conference attendees picking up their expo badges.

Another Apple ad hides behind the turnaround section of the old cable cars.