No.
In an interview last week with Forbes, Microsoft Chief Research and Strategy Officer Craig Mundie said that Siri’s capabilities are not Apple-specific, and notes that Windows Phone’s similar “Tellme” technology has been functional for over a year.
You can watch Forbes’ Eric Savitz interview with Craig Mundie on YouTube.
John Gruber on Tellme:
Not bad at all — but not Siri.
Tellme ≠ Siri.