Sexual divide: of the 200-plus speakers at the Web Summit, above, only 26 are women. Photographs: Websummit.net. Montage: Michael Ruane, Irish Times Premedia

Ten days from now, hundreds of leaders of the technology industry from around the world will convene in Dublin, joining 10,000 other people at the (...)

Twitter chief executive Dick Costolo may  need some tips regarding his interactions ... on Twitter. Photograph: Getty

Someone with some media and PR nous really needs to brief Twitter chief executive Dick Costolo on the use of, er, Twitter.After New York Times writer (...)

Vivek Wadhwa: “We’ve messed up the magic formula. It used to be that you could get a green card [in the US] within 18 months. Now it takes about 15 years.”

In just a few years, successful entrepreneur-turned-academic Vivek Wadhwa has become the go-to guy in the United States for research into a phe(...)