I visit a site which has a neat feature to surf content, by filtering tags. Essentially it starts with a tag cloud, then adds each tag you click to the filter...
Click Tag => Fruit
Shows all posts tagged fruit (http://www.site.com/?tag=fruit)
Click Tag => Bananas
Shows all posts tagged fruit and bananas (http://www.site.com/?tag=fruit+bananas)
Click Tag => Blue
Shows all posts tagged fruit, bananas and blue (http://www.site.com/?tag=fruit+bananas+blue)
Does anyone know of a plugin that could do this? I'm not capable of coding it myself, and think the feature would be great for people. Imagine searching for blue cars in New York, or recipes with rice and chicken...