PayPal co-founder launches Affirm, aims for one-click mobile payments

2:29PM | Thursday, 28 February

PayPal co-founder Max Levchin is launching a new mobile payments start-up called Affirm, the first project to come out of Levchin’s San Francisco tech incubator.

Twitter inches closer to Sydney: Why the tech giant is opening an Australian office

3:17AM | Monday, 11 March

More signs are appearing that social network Twitter will open an office in Australia, with deputy Opposition leader Julie Bishop confirming the move after a visit to the company's headquarters.

Sensis brings out the big guns for third hackathon

3:41AM | Monday, 11 March

Sensis is to roll out a fresh ‘hackathon’ in Melbourne this weekend, including an impressive list of mentors such as Lonely Planet’s Gus Balbontin and Scott Rogers from Seek.

New York Stock Exchange to help start-ups go public

3:21AM | Thursday, 22 March

The New York Stock Exchange has joined forces with three entrepreneurial organisations to launch NYSE Big StartUp, a mentoring program designed to help US start-ups create jobs.

User review start-up Yelp valued at $US1.3 billion in IPO

3:54AM | Monday, 5 March

Tech start-up Yelp saw its shares surge as much as 60% on its public listing debut on the Nasdaq stock exchange, valuing it at $US1.3 billion, despite the business failing to turn a profit to date.

THE NEWS WRAP: Clive Palmer lashes out at "intellectual pygmy" Wayne Swan

3:12PM | Sunday, 4 March

Mining magnate Clive Palmer has hit back at Federal Treasurer Wayne Swan, claiming that he is an “intellectual pygmy” and that he doesn’t understand the economy.

Top five TEDx entrepreneurship talks

2:05PM | Wednesday, 29 February

Created around the rather simple mission statement of "Ideas worth spreading", TEDx has grown from a single small gathering to a worldwide network of events that have proved magnetic to innovators.

Yelp files for $100 million IPO despite no profit

12:24AM | Friday, 16 December

US-based local reviews website Yelp has filed for a $100 million IPO, with reports suggesting a valuation of up to $2 billion, seven years after it was founded by two former PayPal employees.

Groupon chief takes aim at competitors

8:38AM | Friday, 26 August

Group-buying giant Groupon has taken aim at its competitors, claiming it will be tough for them to penetrate its market share, as it prepares for its initial public offering.