Twitter has announced that users will now be required to opt for account verification in order to access and use TweetDeck, according to a tweet by the company on Monday. The changes will be enforced in 30-day period. As per the announcement by the company, the users will have an option to copy their search, list, and profile columns into the new TweetDeck. "This is a one-time option to copy this information into the new TweetDeck," the statement said.