There is a guy demoing an app right now called Pubwalk. It starts with a mashup of Citysearch and Google maps, and allows you to create a pubwalk. Once it hits critical nmass, it will allow people to share what pubs they’re planning to go to, thereby telling everyone else what pubs will be hot that evening.
Half this place has laptops open on their laps, and I think the only reason it isn’t more is because it’s lunchtime, and it’s hard to eat AND nerd out at the same time (I’m managing)
Jillian's Blog 