"Identity is a hot issue at the moment--just ask Her Majesty's Revenue & Customs. But supremely stupid security lapses aside, managing identity is a problem that everyone online has to face on a daily basis.
"One aspect involves passwords. As we join more and more online services, we are faced with the perennial problem: do we invent yet another password, making it even harder to remember, or do we recycle old passwords, which increases the potential damage if one is compromised? Of course there are alternatives, as Bruce Schneier reminds us, but they are hardly convenient, especially if we're accessing online services from many computers at different locations..."
