You can use Amazon's “Deals of the Day” to save 20% on the Sonos Era 100 speaker and nearly 30% off the TP-Link Archer GX-90 gaming Wi-Fi router.

One common cause for poor internet performance: Wi-Fi "dead zones," which are basically areas where network signal strength ...

It's time for another edition of Engadget's weekly deals roundup where we bring together worthwhile tech deals from the past ...