You have to stand out in the hurly burly of Facebook, twitter or even the skype phonebook.
As for blogs, a good avatar is your point of difference.
We’ve produced quite a number of likenesses for these situations including personalised “twit” birds.
The “web mechanic” above was provided for the Left Click site designer’s blog.
Sometimes these are wholly stylised, sometimes they’re caricatures.
Here’s a fine selection: