Today, we take OS X Yosemite public beta for a test-run, learn about robots in the American workforce, look at the top 12 tablets available and mull an interesting YouTube copyright infringement lawsuit. Read on for Engadget's news highlights from the last 24 hours.

OS X Yosemite preview: the Mac gets a major makeover

The public beta of Apple's next desktop OS goes live tomorrow, but before you dive in head first, check out our preview. Click through for Dana Wollman's take on OS X Yosemite.

The top 12 tablets you can buy right now

Deciding to buy a slate is easy. But choosing which one, that's a different story. Check out the Engadget Buyer's Guide for our top 12 favorite tablets that you can buy right now.

Technology and recession are cutting into blue collar jobs

Robots haven't taken over just yet... but they are chipping away at the blue collar work force. According to the National Bureau of Economic Research, a combination of technology and recession is forcing companies to give more work to machines.

YouTube star sued for copyright to the tune of $150,000 per song

Internet video stars, take heed before posting your next drum cover or pop tunes mashup. Michelle Phan, an uber-popular makeup expert, is being sued for using over 50 tracks on her YouTube channel without permission.

PS4 will add Blu-ray 3D support next week (update)