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Google this week announced a new messaging app with strong encryption, meaning that your communications can't be wiretapped. But there's a catch: You have to turn on that feature yourself. The tech titan's plan to launch Allo this summer without encryption by default has drawn withering criticism from some quarters. Google's decision to disable end-to-end encryption by default in its new #Allo chat app is dangerous, and makes it unsafe. "I, too, would prefer that Allo be encrypted by default," said Kevin Bankston, director of New America's Open Technology Institute.

The Troggs were a legendary rock and roll band who were part of the British Invasion in the late 1960's. They have always been best known for their iconic rocker Wild Thing. This was also the only Top 10 hit that ever had an ocarina solo. The band went on to have two other major hits, With a Girl Like You and Love is All Around.¹ The third of the band's classic singles can be stretched a bit to be used as a helpful metaphor to describe an emerging form pervasive "all around"-edness, this time in a more technological context.

I've quickly grown accustomed to having instantaneous access to the entirety of human knowledge pretty much anywhere and at any time (otherwise known as googling from a smartphone). But you know what feature of the magical unfolding digital future really blows me away? The fact that, in my house, I can say "Alexa, play Led Zeppelin," and start irritating my children within seconds. Alexa is the pleasant personality baked into Amazon's Echo Bluetooth speaker; she's staring at me right now from the kitchen table, breathlessly listening for her name. Google just announced a similar product called Home, and Apple's Siri can pull this off, as well.

Given that the reality of AI may be fast approaching, it's of the utmost importance that we work out what might a future with artificial intelligence might look like. Last year, an open letter with signatories including Stephen Hawking and Nick Bostrom called for AI to be of demonstrable benefit to humanity, or risk something that exceeds our ability to control it. AI, as conceived of in popular culture, does not yet exist, even if autonomous and expert systems do. Smartphones might not be supercomputers, but they are called "smartphones" for good reason, in terms of how their operating systems function. Equally, we are happy to talk about a computer game's "AI", but gamers quickly learn to take advantage of its limitations and inability to "think" creatively.

Artificial intelligence is quickly becoming one of the most powerful tools in the tech industry, and while AI can be used for harmless tasks like defeating world Go champions, it also has the potential for misuse. A malevolent AI would be like a computer virus on steroids, and while there are currently no known cases, researchers Federico Pistono and Roman Yampolskiy from the University of Louisville in Kentucky believe that we should already be preparing for them. Pistono and Yampolskiy have published a research paper called "Unethical Research: How to Create a Malevolent Artificial Intelligence." In it, they explain that it is entirely possible for a malevolent AI to be created in the right environment, and they lay out what sort of warning signs the cyber security industry should be looking out for. First and foremost, Pistono and Yampolskiy say that any organization interested in creating a malevolent AI would resist any form of oversight on their research.

The majority of us know our age thanks to the birthday we celebrate each and every year. Yet there are poor orphans around the world who have their birth date shrouded in a mystery. Some of them would love to know when they were born in the first place. A new form of blood test may predict with 100% accuracy what the blood donor's chronological age is. AI is being used to test blood and find out the age of the patients who have had samples of their blood taken for analysis.

When Bob Greifeld became Nasdaq's CEO in 2003, he was presented with outdated tools and a company that was bleeding cash and rapidly losing market share. Thirteen years later, Nasdaq has the largest market share for options and equities of any exchange in the US. Through acquisitions and partnerships, Greifeld has shaped Nasdaq into what he primarily views as a cutting-edge technology company. During a recent interview with Business Insider, Greifeld discussed his vision for the future of Nasdaq and how it fits into the exchange industry. What follows is that portion of our interview, edited for length and clarity.

Professor Damith Herath will speak about artificial intelligence and robotics at King O'Malley's Pub on May 25 as part of Canberra's first Pint of Science series. Canberra will raise a glass to a fresh take on politics in the pub this week as the Pint of Science festival debuts in the capital. The national series, funded by the Australian Department of Industry, Innovation and Science and the ACT government, brings some of the most brilliant scientists into city pubs to discuss their latest research and field questions about their findings. The action will begin on Monday at King O'Malley's in Civic. For just 5 punters can delve into how we learn and the power of the brain at Beautiful Mind from 7pm. At the same time on Tuesday evening ANU professor of physics Daniel Shaddock and ANU vice-chancellor Brian Schmidt will explain how we listen to and measure things in space at Ever Expanding Gravitational Pull.