Paddy Cosgrave, Web Summit co-founder and chief executive: ‘Tech is turning upside down everything we thought certain’. Photograph:  AFP/Getty Images

Artificial intelligence (AI) may “be the best or worst thing to ever happen to humanity”, scientist Stephen Hawking told an audience of 60,000 techies(...)

This year’s Web Summit in Lisbon, at which “executive” attendee tickets are priced at €4,995, officially sold out on Friday.

It’s that time of the year when the winners and the wannabes gather together for the Web Summit. But after the novelty value of a sparkly new venue a(...)

Liam Cunningham, who plays Davos Seaworth in ‘Game of Thrones’, will speak at the Web Summit

The company behind the Web Summit has a permanent six-bedroom “crash pad” for new employees arriving in Dublin as part of efforts to circumvent the ho(...)

Cal Henderson, cofounder of Slack.  The messaging software company recently passed the 4 million daily active user mark, and has  more than 5.8 million weekly active users.

“This is by far the nicest office we have, I think. Until we open the next one.” Slack cofounder Cal Henderson is on his first visit to the company’s (...)

Slack founder Stewart Butterfield. The company  currently has 30 people at its existing European base in the Digital Hub in Dublin and now plans to hire an additional 80 as it moves its European headquarters to the capital. Photograph: Jason Henry

Tech company Slack is set to add an additional 80 jobs to its Irish workforce as it expands its European headquarters in Dublin. The company will emp(...)

Darragh Curran: “Growing means a strong R&D team.”

Technology company Intercom has raised $50 million in funding, bringing the total funding raised to date to $116 million. The latest funding round (...)

US president Barack Obama: will address the South by Southwest Interactive festival in Austin, Texas which will be attended by several Irish start-ups.  Photograph: Michael Reynolds/EPA

US president Barack Obama is to speak at the South by Southwest Interactive (SXSWi) festival in Texas, conference organisers have said. A number of I(...)

Stewart Butterfield, co-founder and chief executive officer of Slack Technologies. Slack is forming an $80 million venture fund to invest in other startups.

Slack Technologies, a Silicon Valley darling that’s raised more than $300 million, wants to give some of that money back. The start-up, which runs (...)

Stewart Buttefield of Slack speaking at the  Web Summit  in Dublin.  Photograph: Niall Carson/PA Wire

Stewart Butterfield is enthusiastic about Irish food. Particularly apples, which he says are better than most in North America, but brown bread and(...)

Stewart Buttefield of Slack: we had hoped to grow it more quickly but we’ve been constrained by real estate

  Tech company Slack may be increasing its users at a healthy rate, but its plans to expand its Irish office have been held back by Dublin(...)