"Hey Siri" support and possibly wireless charging case alongside AirPower charging mat.
MacWorld Chile 2002
Apple Chile released a newspaper ad (image here), promoting Macworld Chile 2002. One of the demonstrations include (direct translation): Quicktime 6.0, the platform to produce dynamic interactive content. Quicktime Player, TV and Web. How to record DVDs with iDVD and DVD Studio Pro.
Demos: Livestage Pro, Cleaner 5.0, Sorenson, MPEG 4, FinalCut Pro, Quicktime Streaming, Quicktime Broadcaster.
As well, there have been unverified rumors of an April 2 Apple Event.