Mobile World Congress (MWC) 2013, which took place in Barcelona, Spain, finally wrapped today after four days of learning, networking, product showcases and more. So what are the big takeaways? Let's go over some of the highlights:
1. 70,000+ visitors
This year's MWC saw a record-breaking number of attendees. According to Reuters, "The four-day conference and exhibition attracted executives from the world's largest and most influential mobile operators, software companies, equipment providers, Internet companies and companies from industry sectors such as automotive, finance and healthcare, as well as government delegations from across the globe." It was the trade show's biggest event ever.
2. Products for developing countries
While there was certainly no shortage of expensive products, a new trend was seen at MWC this year. The Telegraph reports that a new Nokia phone "offers a battery that lasts for a month at just £13." That's less than $20! Furthermore, Nokia has promised to introduce smartphones at lower price points, as well.

3. A Firefox operating system
Most people are familiar with Mozilla's Firefox web browser. But at MWC, Mozilla debuted something new: An operating system (OS) that's "based completely around a browser and Web standards," reports PC Mag. While it's being released worldwide soon, the new OS won't make it to the US until 2014.
4. Smart glasses
There's been a lot of hype surrounding Google's "Project Glass" lately. During MWC, however, the spotlight was on a different glasses project. According to the Wall Street Journal, Vuzix Corporation's M100 Smart Glasses feature "a near-eye micro display with an integrated camera and powerful processor running an Android OS." The device connects wirelessly via Bluetooth or WiFi to smartphones and other devices.
What other products or trends from MWC 2013 stood out to you?
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