You might say the day is never really done in consumer technology news. Your workday, however, hopefully draws to a close at some point. This is the Daily Roundup on Engadget, a quick peek back at the top headlines for the past 24 hours -- all handpicked by the editors here at the site. Click on through the break, and enjoy.

Apple explains Touch ID

Apple updated its iOS Security white paper today, shedding new light onto the iPhone 5s' Touch ID fingerprint scanner. And while its end-to-end encryption measures are impressive, we're still waiting for the feature to be opened to developers.

Megapixels and mobile imaging

In recent years, smartphone photography has been centered around pixels. Lots and lots of pixels. But Google's latest concept phone, dubbed Project Tango, could take mobile imaging to an entirely new level. Read on as Engadget's Steve Dent explores the potential of handsets equipped with with multiple sensor technologies.

Nintendo shutting down multiplayer services

Nintendo's shutting down its original Wii and DS multiplayer services worldwide on May 20th. A few select features will remain online after the fact, but we'd suggest you get in a few games of Mario Kart DS while you still can.

Google's modular smartphone may cost $50

If you're a fan of Project Ara, you'll be happy to know that Google wants its modular smartphone to be very affordable. For $50, users would get a working, barebones exoskeleton that could be upgraded with parts from special kiosks.