Mobile World Congress 2016 is in the books, but the conversations and topics that drove the announcements of the week are sure to be driving the innovations for much of the next few years across the payments, tech, commerce, and security industries.

But what were some of the biggest trends that hit social media this week during mobile's big event in Barcelona?

From connected cows to connected cars, PYMNTS tracked down the announcements and moments generating the biggest social buzz at MWC 2016.

More than 100,000 people from around the world converged on Barcelona this week for the annual event. We filtered through the more than 840,000 tweets they produced to find the most impactful, entertaining and sometimes weird content about the biggest topics at the conference.

Here's just a taste of what was said and who said it.

Mark Zuckerberg’s presentation on Monday drove a ton of Twitter chatter, with this eerie image popping up all over Facebook and Twitter.

Samsung also garnered a lot of attention with the introduction of the Gear360 and its new flagship smartphone, the Galaxy S7.

On Tuesday, Twitter flocked to the Qualcomm presentation on connected and self-driving cars featuring F1 champion Lewis Hamilton.

Mercedes and Visa also garnered some Twitter traction with their car-related announcements.

MasterCard made social waves with announcements throughout the week.

And Xiaomi made a spash on the last day of MWC16 by announcing its newest smartphone, the Mi 5.

Twitter users also gave us some wacky snapshots and observations from the show floor.

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NEW PYMNTS DATA: HOW WE SHOP – SEPTEMBER 2020 

The How We Shop Report, a PYMNTS collaboration with PayPal, aims to understand how consumers of all ages and incomes are shifting to shopping and paying online in the midst of the COVID-19 pandemic. Our research builds on a series of studies conducted since March, surveying more than 16,000 consumers on how their shopping habits and payments preferences are changing as the crisis continues. This report focuses on our latest survey of 2,163 respondents and examines how their increased appetite for online commerce and digital touchless methods, such as QR codes, contactless cards and digital wallets, is poised to shape the post-pandemic economy.

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