Half a year later and Cortana shows no user growth

The first ever Cortana speaker is finally available for purchase

Microsoft says Cortana has 148M monthly active users, expects Invoke to accelerate ‘momentum’

After blow-out Amazon Echo event new leaked glamour shots suggest Harman Kardon Invoke also coming soon

Harman Kardon’s Cortana-powered Invoke speaker one step closer to release

Harman Kardon’s Cortana-powered speaker Invoke now official, coming to the United States this Fall