10 things we learned this week
Twitter's CFO mishap, Willy Wonka's elevator, Zoopla's forthcoming battle.

1. Twitter’s CFO isn’t especially well acquainted with his own company’s core product.
2. Willy Wonka’s Great Glass Elevator could become a reality. Sort of.
3. Zoopla’s CEO isn’t afraid of a scrap over the future of the property market with new competitor Agents’ Mutual.
4. The newest addition to Argos’ store estate is roughly the size of a large kitchen.
5. Spotify is paying out 80% of its revenues in royalties.
6. In the future graphene could be helping you tuck in to your favourite meal.
7. Controversy isn’t always a red flag for investors.
8. British consumers are expected to shell out £42.4bn in the run up to Christmas, 4% more than last year.
9. Kingfisher’s incoming chief exec, Veronique Laurie, has got a lot of work to do.
10. Boris Johnson is really excited about fintech.