APT was conceived sixteen years ago on 1 April and on 1 April of this year they celebrated its "sweet sixteen" by releasing APT 1.0. This was no April Fool's Joke. One of the new features to APT 1.0 is a new apt binary that has most of the commonly used commands from apt-get and apt-cache.
Those interested in more information on Debian APT 1.0 can see the official release announcement. More details on APT 1.0 can be found via Michael Vogt's blog.