Bultaco Albero preview: ‘Meet the Moto Bike – part motorbike, part bicycle’

The Spanish motorcycle builder is back with a unique new concept in two-wheel hybrid travel

The World’s Most Expensive Presents review – a ballgown for your dog, anyone?

This grotesque display of pricey Christmas gifts is pointless, immoral and horrid. Plus – the hateful Giles Coren hates Jane Austen

Rowan Moore’s best architecture of 2017

Postmodernism returned in style, Liverpool’s Welsh Streets were saved, but Grenfell Tower defined the year

• Observer critics’ reviews of the year in full

Laura Cumming’s best art of 2017

There was revolutionary fervour from Russia, dazzling critiques of the American dream, and unforgettable faces…

• Observer critics’ reviews of the year in full

Amazon Echo Show review: smart speaker with a screen has great potential

Alexa’s latest home works as a digital photo frame, a small TV, a video-calling hub and is smart in the kitchen, making it more than just a novelty device

Google Pixel Buds review: Bluetooth earbuds are a missed opportunity

Google enters the headphone market with interesting but flawed earbuds that don’t match Apple’s AirPods – and translation doesn’t live up to the hype