10 things in tech you need to know today

Good morning! Here's the tech news you need to know this Tuesday.

1. People are gaming UberEats to get hundreds of pounds in free food. The company has been giving out vouchers every time it's late with a delivery, no matter how big or small.

2. Facebook users are already selling drugs, animals, and adult services on Facebook's new Craigslist competitor. The feature is replacing the Messenger shortcut in the bottom centre of Facebook's app for everyone over the age of 18.

3. A lot of people are complaining about the iPhone 7's battery. The Guardian and consumer-product reviews site Which both claimed the iPhone 7 has a small battery in recent reviews.

4. Facebook is reportedly planning to build a huge new data centre in Denmark. It's said to be bigger than Facebook's Swedish data centre, which cost the company $450 million (£350 million).

5. Apple CEO Tim Cook has robustly defended his company's strident approach to security. During a new on-stage Q&A, he declared: "Encryption is inherently great."

6. Microsoft has killed its fitness bracelet. ZDNet reports that Microsoft has removed all of the Band fitness trackers from its online store, as well as the Band's software development kit.

7. Salesforce has acquired marketing data software company Krux for $700 million (£545 million), according to the Wall Street Journal. The enterprise cloud software firm has spent over $4 billion (£3.1 billion) on acquisitions in the last year.

8. Facebook is launching a slimmed down version of its popular Messenger app for people with Android smartphones in emerging markets. The app, known as Messenger Lite, will only have basic chat features.

9. Tech billionaires are asking scientists for help breaking humans out of the computer simulation they think they might be trapped in. That's according to Sam Altman, the president of the Y Combinator startup accelerator.

10. UK retailer Carphone Warehouse appears to have leaked everything about Google's new Pixel phones. A since removed listing from Carphone Warehouse appears to have provided the most complete look at the devices yet.