When thinking about regulating them, it's useful to know Facebook, Amazon, Google, Apple and Microsoft have some similarities. But generally they're not competing with each other – or anyone else.
Because of the way our brains work, we can remember songs and rhymes much more easily than just words or letters. The ABC song teaches kids the basics of the English language.
The artificial intelligence that beat a world master at the game of Go is now to be directed at more complex global problems. So what can we expect?
Project Baseline opens up new opportunities in health care, both for the researchers working with big data and for consumers who want more sophisticated ways to track their health.
The search goliath has spent over $5bn on everything from driverless cars to smart contact lenses in the past three years. The UK tax hounds must be delighted.
Google's new structure was supposed to provide more transparency about its loss-making venues, but it hasn't delivered.
Google's rebranding to become just one company under the umbrella of Alphabet could complicate things for the tech giant.