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The United States woke up this morning to pretty surreal news: the United Kingdom (England, Scotland, Wales, and Northern Ireland) voted yesterday to leave the European Union. Today, Brits who voted against the #Brexit took to Twitter to express their disbelief, anger, and concern for their future with the hashtag #WhatHaveWeDone:

So far, the #Brexit has meant a crash in the value of the pound, leaving the currency at its lowest in three decades:

Here is the economy falling faster than my grades #WhatHaveWeDone #EUreferendum pic.twitter.com/bQDRgtiDkw

— Matthew (@TotallyMatthew) June 24, 2016

And has lead to Prime Minister David Cameron's resignation:

For some, the campaign to leave the EU was founded on racist, anti-immigrant rhetoric, and this turn of events is a sad reflection on British attitudes toward immigrants:

Others were angry that 16 and 17 year olds were not allowed to vote in the referendum, which meant that older Brits took a course of action that's going to have profound effects on younger generations:

Why did we give the vote to a load of pensioners? Nearly 75% of under 25's voted to remain #whathavewedone

— Stretch (@Stretch1892) June 24, 2016

And for some in London, one of the most diverse multicultural cities in the world, they were ready to consider their own exit (from the rest of the country):