Twitter has launched Moments, a new service which hopes to show users the day's most popular stories, as the 140-character social network takes a stab at news curation. The new button in the middle of the app marked by a lightning bolt brings users a curated, magazine-style view filled with comments, images and videos pulled from users on the ground and news organisations' Twitter feeds. The Moments tab shows stories curated by a small editorial team based at Twitter in New York. The tab is divided into sections including "today" and news, sports and entertainment. It forms part of Twitter's attempts to make its service more appealing for novice users or those that have used Twitter and then left, feeling a lack of engagement. Madhu Muthukumar, Twitter's product manager for Moments, said : "We know finding these only-on-Twitter moments can be a challenge, especially if you haven't followed certain accounts. But it doesn't have to be.