Weekly digest
While AmEx tests blockchain-based loyalty rewards, Eleme launches a food delivery drone service in Shanghai — find out more in this week’s roundup of digital news and views.

1. Following a successful trial last year, Shanghai food delivery service Eleme is using drones to get orders to customers faster and more cost effectively.

2. From building trust to challenging perceptions, Food Dive explores how good packaging design can help small businesses stand out in a crowded market.

3. Venture capitalist Mary Meeker has released her highly anticipated 2018 internet trends report. Recode pulls out some key takeaways, and the full deck is available here.

4. With Boxed, AmEx is experimenting with a loyalty rewards programme that’s built on a blockchain framework, which could make it easier to deliver real personalisation.

5. Smart shopping carts, blockchain-powered delivery trucks and in-store drones are some of the retail innovations being considered by Walmart, reports CNBC.