wifi hotspots

does anybody know of a site that shows where there are free wifi hotspots around the country, or indeed around Limerick city? Tried googling but nothing reliable pops up.

[QuoVadimus]

Dunno about a map but these are very handy

http://shop.ebay.ie/?_from=R40&_trksid=p3907.m38.l1313&a mp;_nkw=wifi+detector