Morning Edition, RTÉ's new live morning mix of news, sport, business, topical discussion and entertainment, began on RTÉ One and the digital news channel RTÉ News Now at 9am.
In this morning's opening programme, presenter Keelin Shanley spoke to microsoft founder Bill Gates.
Ms Shanley said: "It's a whole new challenge. It's very exciting because you can still do the heavier stories, the stories of the day.
"There's not really anything you're going to have to cut out of this programme."