Compiled by JOHN COLLINS

What to expect from the 'new Twitter'

WATCH:With both Google and Twitter scheduled to make big announcements on Tuesday night the web rumour mill went into overdrive suggesting the dominant search engine was about to buy the social network that has become the bane of Irish politicians' lives. Instead Twitter announced a host of enhancements to its service, such as the ability to view pictures and videos in your Twitter timeline. This stylish video explains what Tweeters can expect in the coming weeks from the "new" Twitter.

http://bit.ly/aDu3OD

Travel back in time with YouTube

TRAVEL: Pick a year – any year from 1860 to 2010 – and the YouTube Time Machine will show you a random selection of television shows, ads, computer games, current affairs, sports, music and movies from the year in question. Dreamt up over a few beers by friends in New York it's a little US-centric in its choice of videos but despite this is a nice slice of nostalgia. The (limited) content from the 19th century is fascinating however.

http://yttm.tv

Ireland's first walking app for iPhones

INSTALL: Apps for lovers of the outdoors are two a penny in the US but are still thin on the ground here. Trail Kilkenny has launched a guide to four walks in the county – two sections of the Nore Valley Walk, the Kilmacoliver Looped walk and the Castlemorris Wood walk – which can be purchased for €0.77 each or €2.35 each. To get the maps, which also include information on nearby attractions, first install the free EveryTrail app and download the maps as in-app purchases.

trailkilkenny.ie

Fifteen years of the PlayStation

CELEBRATE: It was 15 years ago this month that the PlayStation, which Irish gamers embraced by buying it in the biggest per-capita numbers anywhere other than in Japan, was unleased on an unsuspecting public. Sony Computer Entertainment America celebrates the anniversary with a micro-site full of interesting facts and figures about the iconic games console.

http://bit.ly/cMLBi8