Apple (NASDAQ:AAPL) has reportedly begun hiring ex-Nuance (NASDAQ:NUAN) engineers near Nuance's home turf in Boston. The most obvious possibility here is that Apple may be interested in ditching the voice-recognition specialist in favor of building its own speech-recognition engine.

In the following video, Fool contributor Evan Niu, CFA, and Eric Bleeker, CFA, discuss why such a move would make sense for the Mac maker, but also why Nuance investors shouldn't be overly concerned.