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.

What you need to know about smart guns

Nowadays, guns can shoot around corners, aim themselves and even use an iPhone as a scope. But what classifies such weapons as "smart?" Read on as our own Terrence O'Brien discusses the tech and implications surrounding the world's smartest firearms.

Inmarsat offers airlines free global tracking to prevent another MH370

In hopes of preventing another flight MH730 situation, satellite tracking company Inmarsat is offering its services to all passenger airlines. And though the effort will cost around $3 million annually to implement, the company isn't going to charge a single dime.

Twitter shuts up your annoying friends with Mute

Today, Twitter announced a new feature that lets you temporarily mute annoying people in your feed, rather than unfollow them. Don't worry, you can unmute them again once they've stopped ranting.

Square's new app lets you pre-order food and drink before picking it up

Today, Square launched Square Order: a new app that let's customers place pickup orders with Square-powered cafes, restaurants or shops. So far, it's only available in New York and San Francisco, but more cities are promised soon.

SAM packs full-home control into a powerstrip