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.

DNP The Daily RoundUp

OS X Mavericks 10.9 preview

There was no OS XI at WWDC. There was no plan to reinvent the wheel. The takeaway message at the launch event was simple: Apple is committed to OS X. What that means, in the long run (naming scheme aside) is that changes to the desktop will probably continue to be gradual. New features will be added and things will evolve over time.

Samsung Galaxy Tab 3 series

Not to be forgotten amid other new Samsung products, the company has announced that its complete Galaxy Tab 3 lineup will arrive in the US next month. The tablet family launches in the states on July 7th, with all three screen sizes (7, 8 and 10.1 inches) going on sale at Samsung.com, Amazon, Best Buy, Wal-Mart, Office Depot and other brick-and-mortar retailers.

AOL Reader beta now available

Wondering how AOL's RSS client will rank as a Google Reader replacement? You can find out now, as the doors to the AOL Reader beta have officially swung open.

Ziphius aquatic drone hits Kickstarter, we go hands-on with an updated prototype

If you followed our Insert Coin: New Challengers contest at our first-ever Expand event, you may recognize this guy. The Ziphius, an WiFi-enabled aquatic drone powered by a Raspberry Pi, won $25,000 in prize money back in San Francisco, and three months later it's taking the next big plunge: launching on Kickstarter.