Spain’s social wi-fi tycoon
Nine years ago, Martin Varsavsky unveiled what sounded like a barmy idea - getting people to plug in a piece of kit to their home router and share their wi-fi with anyone who happened to be passing by.
But Fon, the first social wi-fi network, took off, and what was intended to be a not-for-profit enterprise has grown into a substantial business, with backing from investors ranging from BT to Google. It is in 13 million homes and claims to be the world's biggest wi-fi network, reaching 200 million people.
Now Mr Varsavsky, who from his Madrid base has become one of Europe's most successful telecoms entrepreneurs, has a new and perhaps equally unlikely mission. He wants to turn us all into the kind of people who are happy for our friends to play their music in our homes.
Today sees the launch of Gramofon, a joint venture with Spotify, to enable social sharing of music. It involves plugging in a new version of the Fon router - a small attractively designed black or white device - and connecting it to the internet and to your home music system. You then pair it with an app which allows you - or your Facebook friends - to stream music from Spotify and a number of other services.
"It's going to be the Apple TV for sound," Martin Varsasvsky told me when he popped by for a coffee yesterday to explain the service. He told me he'd been lecturing on entrepreneurship in New York when after giving his students a start-up project task they'd challenged him to come up with his own idea. "I went to a party where everyone was arguing over whose music from whose smartphone they wanted to play - that's when the idea came to me."
Live radio - through Google Glass
Phew - we've just come off air after our weekly World Service radio programme Tech Tent, and I think we may have just achieved a world first. I wrote earlier this week about my experience with Google Glass, and that we were puzzling about how we might stream live video from the device.
Then, a couple of days ago a company called Livestream announced that it had launched an app for Glass which would allow anyone to do just that - stream a live view of what someone wearing the device was seeing.
Taking Google Glass for a run
I've started an experiment - and so far it's had mixed reactions.
"You look a complete idiot," said my teenage son. "Must you wear that thing?" asked my wife. But "Wow that's exciting!" said at least a couple of colleagues.
Nest and the battle to control your heating
Competition to be the company that brings smart home technology to Britain and cuts energy bills is hotting up. Nest, the firm whose smart thermostat has been a big hit in the United States, is launching in the UK.
The device, from a team which cut its design teeth at Apple, connects wirelessly to your boiler and can be controlled remotely via a smartphone app. It learns your daily routine and adjusts the temperature accordingly. But, with the weather warming up and at least one energy firm promising to freeze bills, April might not seem the best month to be promising to disrupt the market with new technology.
Protecting children from pornography
Today's research from Nielsen for the online video regulator ATVOD confirms something not particularly surprising - that pornography on the web is very popular and is a huge business. But by showing that large numbers of children are getting unrestricted access to hardcore pornography, ATVOD is raising some difficult questions.
How worried should we be - and even if we are convinced this is harmful is there anything that can be done about it? And isn't it the job of parents, not regulators, to keep children safe online?
Facebook buys the future
HTC's time to refocus
It was by common consent the standout smartphone of 2013. The HTC One, with its sleek steely looks and its zippy performance, won all kinds of awards. But what it didn't do was sell enough to pull HTC out of its downward spiral. So can the new version, the catchily named HTC One (M8), pull off the trick of delighting the critics and proving a massive sales hit?
HTC certainly needs some good news. Last year it had just 2.2% of the smartphone market according to the analysts IDC - down from nearly 9% two years earlier. The company made its first ever quarterly loss last year, though it was in good company - apart from Samsung and Apple, everyone is struggling to make money in this business.
Twitter ban: Turkey's President Gul challenges PM's move
The minute the Turkish prime minister announced the block on the service, many users were finding - and sharing - ways around the ban.
With Turkish internet providers ordered to send Twitter traffic to a dead end, computer users found they could change the Domain Name Settings (DNS), which form the internet's address book, to get back on the right track.
Chromecast - a TV game changer?
The internet and TV is the marriage that has continually been put on hold.
Back in 2012 I speculated that the long-awaited digital union would finally be consummated in British living-rooms that year - and yet viewers remained largely unmoved. Literally - the latest Ofcom figures showed that most of them still sit back on the couch, switch on the TV and watch what is on one of the main channels, rather than plunging into the delights of the on-demand world.
A tasty tech takeaway for London?
The champagne corks must be popping at the London Stock Exchange - and maybe at the headquarters of Tech City, they'll be ordering a takeaway chicken korma to celebrate.
Having wooed all sorts of technology companies in the hope of having a high profile stock market flotation - and seen most swept off their feet by those flashy US exchanges - London has at last bagged one.