Tech News: Facebook Previews “M” and Fitbit Takes a Tumble

<p><span style="color: #1f497d; font-family: Calibri, sans-serif; font-size: 14.6666669845581px;">Facebook has entered the personal assistant space, announcing testing has begun on “M,” a new digital helper nested in their Messenger app -- what does it say about the company’s plans to monetize Messenger and WhatsApp? In other tech news, new data from IDC shows Apple and Xiaomi are catching up to wearables leader Fitbit. Is the recently public company about to get pinched?</span></p>