As Mobile World Congress 2017 (#MWC17) entered its fourth fantastic day, it was time at last to watch the sun set on this amazing event.

The final curtain slowly descending, we paused to reflect upon the event that was.

Had we achieved the goals we'd set for ourselves leading up to Mobile World Congress 2017? Were there still a few hands we needed to shake? What had we learned? What had we accomplished? 

With such questions rattling around in our brains, we steeled ourselves for the final day of MWC17.

On Twitter, Mobile World Congress's 110,000 attendees began saying their 140 character goodbyes...

#MWC17 Twitter Roundup- Day 4: The Final Curtain

The final day of #MWC17 started much as the previous three had…

 Good morning #MWC17 from the air. Welcome to the final day of this edition! @GSMA pic.twitter.com/bLLwhrC7wz

— Fira Barcelona (@Fira_Barcelona) March 2, 2017

But deep down we all knew this might be our last chance to grab some free snacks for a while…

Last day! Come get your pastries at CS50-31! #MWC17 #mobility pic.twitter.com/Y55kfB8gIv

— SparsityTechnologies (@SparsityTech) March 2, 2017

Or bask in the glory of the mobile magnificence…

The last day at #MWC17 ! Already?!? Time sure flies when you're having fun! We're here all day, don't leave before you come by booth 8.1 E22 pic.twitter.com/izmEIRGLJc

— BitterStrawberry (@BitterStrawbery) March 2, 2017

We had learned so much already, both obvious and otherwise…

When women do well economy does well also! @nicolamen #women4tech #mwc17 pic.twitter.com/xUFnRqHZax

— Caroline (@caroline_ragot) March 2, 2017

The truth bombs had been coming hard and fast for days…

My biggest learning from #MWC17, biometric security is a total house of cards https://t.co/Wm72CIsCkC

— Oliver Smith (@OliverSmithEU) March 2, 2017

And had us questioning many of our previous assumptions…

81-year-old woman makes iPhone app after only starting to use computers at 60 https://t.co/jNPuIbbHI5 #mwc17 pic.twitter.com/LcGGojZLNX

— West UC (@West_UC) March 2, 2017

And we had all done a little good where we could…

108 signatories in 77 countries! Great results for #Humanitarian Connectivity Charter's 2nd year! #m4d #mwc17 | ?https://t.co/kOxyzTWwRp pic.twitter.com/4YQDYfNA62

— Max Cuvellier (@Cvllr) March 2, 2017

Although there were still some things we couldn’t quite get our heads around…

#robotics and #sensoring at #mwc17 pic.twitter.com/Qn9IK9JKpY

— Ana Pajares (@pajares_ana) March 2, 2017

Like naming something “The Drone Summit”, which would make it sound really boring to anyone who doesn’t know how awesome drones are…

Good morning everybody! ? About to start #DroneSummit #MWC17 @EADABusiness pic.twitter.com/5Dl3nh0jkC

— Laura Garrido (@Lauragsb) March 2, 2017

Luckily, Adimo’s CEO learned exactly how awesome they are just recently…

Our CEO @richiekelly tests his battle skills in Augmented Reality vs an AI controlled @DronenBase drone. (The most 2017 thing ever?) #mwc17 pic.twitter.com/0cYiQPx7sZ

— Adimo (@getadimo) March 1, 2017

But like all good things, Mobile World Congress 2017 had to come to an end. Luckily, some memories will never fade…

The #mwc17 was a gift for #wiko #socialroom #socialbrand thanks To everybody and see you next year ! #8millions #reach #tchao #WikoMWC2017 pic.twitter.com/hCx8qAvTMW

— Rodolphe Roux (@RodolpheRoux) March 2, 2017

MWC17 has been a blast. We’ve met some delightful people, seen some amazing new products, and learned a lot. We hope to see you all next year, and look forward to interacting with you all in the year to come!