From Resigned to the Bittersweet Truth, Apache 2.2 is Out. The earth-shattering feature of Apache 2.2 is RFC 2817 SSL Upgrade. Basically, any HTTP connection can upgrade itself to HTTPS without reestablishing.”
“This means you can do SSL on virtual hosts without a dedicated IP address. This will greatly increase the penetration of SSL (plus free certs like CaCert) …”
Awesome! SSL on virtual hosts opens up the world of secure web transactions for inexpensive shared hosts. Way cool.