Home Slickdeals Starts 11/23 – Microsoft Store – Harmon Kardon Invoke w/ Cortana –... Slickdeals Starts 11/23 – Microsoft Store – Harmon Kardon Invoke w/ Cortana – $99 (50% Off) [B&M and Online] By ARCOM - 23 November 2017 235 0 SHARE Facebook Twitter Go to the deal page: Starts 11/23 – Microsoft Store – Harmon Kardon Invoke w/ Cortana – $99 (50% Off) [B&M and Online]