The always-interesting TechCrunch blog has a profile of Shadows, yet another social bookmarking service that’s getting rave reviews.

On of the aspects of blogging that I love is the way in which a link can change a persons life in so many ways (some of them big, others small).

With so many sites on the web, it’s challenging to gain the attention of visitors for more than 60 seconds – and even more challenging to get them to return.