James O'Keefe, the political operative known for posting unreliable, often deceptively edited videos of undercover interactions, just tweeted a new clip of him in Philadelphia "tailing a pastor's bus that's bussing people to the polls":

Of all of the problems facing voters today, we didn’t anticipate “lack of pens” being one of them, but here we are. We’re getting reports from multiple states of voters showing up to cast paper ballots only to learn poll workers neglected to stock up on writing implements.

Voters have reported having to use their own pens to fill out ballots, or having to pass pens between voting booths.

Who says Twitter doesn’t lead to change? Eric Trump, son of Donald Trump, deleted a picture of his ballot this morning after Electionland pointed out that ballot pictures are illegal in the state of New York, where he voted. He has deleted his tweet, but not before our tweet was retweeted more than 900 times:

A quick reminder to other New York voters: This is actually illegal. Please do not post a picture of your ballot (or a ballot selfie). https://t.co/zOlnCHwVB8

— Electionland (@electionland) November 8, 2016

When Christopher Jones went to vote this morning in Wake County, North Carolina, his name wasn't in the poll book at the precinct where he has cast a ballot for the past decade. The county's online voter lookup still had him registered to vote, but his address was listed as being in a different city that he had never lived at. "Somehow in their system I was moved though that never really happened," he wrote in an email to ProPublica.

Jones ended up casting a provisional ballot, which is the fallback option when there's some kind of administrative error. And there are many scenarios in which provisional ballots are used.

Polls have been open for less than two hours, and we’re seeing reports from all over the country about broken machines and scanners causing long voting lines. So far, we’ve seen the most reports in New York, Illinois, North Carolina, Kentucky, Texas and Ohio.

Experts say broken machines are normal on Election Day, and they should not stop voters from ultimately casting ballots. So far, everyone who reported problems was able to vote even if there was a longer-than-expected wait.

It’s Election Day — the day we’ve all been waiting for. Electionland is monitoring problems all day and we already know some things will go wrong. Here’s a run down of what we’re expecting.

If you encounter these issues — or any other issues — please DM us on Twitter or text ELECTIONLAND to 69866 and tell us about it.

We’ve now seen several instances of false information about voting requirements spreading on social media and elsewhere. The latest example doesn’t come from political tricksters or alt-right Twitter trolls, but rather Urban Outfitters, the millenial-oriented retailer known for graphic tees and vintage-inspired accessories.

The polls are open, and if past elections are any indication, voters will stand in line to vote, some for long periods of time. This isn't always a sign of a trouble.

Researchers who study the issue broadly place long lines in two categories: a sign of problems at polling places or a sign of voter enthusiasm. Both can apply.

If you show up to vote on Nov. 8, what are the chances that someone with the same name and date of birth is doing the same in another state? New research suggests that this happened about 30,000 times nationwide in 2012, or about 0.02 percent of votes cast, but it’s not clear how many were actually double votes by the same person.

Early voting in North Carolina, which ended Saturday, hit record levels according to data from the State Board of Elections. In 11 of the state's 100 counties, at least 50 percent of registered voters cast ballots either by voting in-person at early voting centers or by absentee ballot. In 2012, just three counties hit the 50 percent mark.

The U.S. Supreme Court has refused to block Arizona from enforcing a law barring people from collecting ballots and delivering them to polling stations. Democrats say the decision will disenfranchise thousands. But local election officials have long said they wouldn't enforce the law, so it’s not clear if it will have a big impact on the ground.

A federal judge in Ohio has issued a restraining order barring Donald Trump’s campaign and Roger Stone’s Stop the Steal organization from intimidating voters or engaging in false “exit polling” efforts on Election Day. The ruling comes after a two-hour hearing in which lawyers from the Democratic Party of Ohio pressed the Trump campaign to defend the candidate’s repeated statements about voter fraud, and his calls for his supporters to watch the polls in “certain areas.”

Voters in states formerly covered by Section 5 of the Voting Rights Act will have at least 868 fewer polling locations at which to cast ballots on Nov. 8, according to a new study by the Leadership Conference on Civil and Human Rights, a civil rights group that supports protections for minority voters.

The report found a "widespread effort to close polling places" in some of the states previously covered under Section 5, which was invalidated by a 2013 Supreme Court decision in Shelby County v. Holder. The decision allowed states to change voting laws without approval by the federal government.

Several hundred voters in Montgomery County, Pa., outside Philadelphia, have complained to local party officials that they have yet to receive the absentee ballots they requested, according to the Philadelphia Inquirer.