When you follow interesting accounts on Twitter, it’s easy to stay connected with what’s most meaningful to you. Today we’re excited to launch the Follow Button, a new way to discover and instantly follow Twitter accounts directly from the websites you visit every day.

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TweetDeck, a groundbreaking dashboard for monitoring what people are saying in real-time. Today, we’re pleased to announce that the TweetDeck team has joined Twitter.

This acquisition is an important step forward for us. TweetDeck provides brands, publishers, marketers and others with a powerful platform to track all the real-time conversations they care about. In order to support this important constituency, we will continue to invest in the TweetDeck that users know and love.

TweetDeck is a great example of a third-party developer that designed tools for the incredibly important audience of Twitter power-users and, in turn, created value for the network as a whole. As Iain’s journey suggests, there is significant opportunity for developers who deliver insights that foster a more engaged Twitter user base.

For TweetDeck's perspective on today's news, (Photo source)

The Twitter ecosystem contains hundreds of thousands of interesting third-party applications designed to enhance your Twitter experience. Third-party apps let you do things like automatically share your Tweets on other networks, connect to other players on gaming platforms, or instantly tweet whenever you update your blog.

All third-party applications that you allow to access your Twitter account go through a permissions process. Today we’re announcing an update to help you make more informed choices about the way third-party apps integrate with your Twitter account:

More Control: Beginning today, we’re giving you more control over what information you share with third-party applications. Apps that you use to access your direct messages will ask for your permission again. By the middle of June June 30, applications that do not need access to your direct messages will no longer have it, and you can continue to use these apps as usual.

More Detailed Permissions Screen: When you first connect an application to Twitter, we’ll give you more detailed information about what you’re allowing the app to do with your account. These activities may include reading your Tweets, seeing who you follow, updating your profile, posting Tweets on your behalf, or accessing your direct messages. If you’re not comfortable with the level of access an application requests, simply say “No, thanks”.

Applications” page in your Twitter account.

When Twitter for Mac launched at the beginning of the year it received praise for its simplicity, speed and look. It also came packed with features like auto-shortened URLs, Tweets appearing in real-time, and multi-account support.Today, we’re releasing the first major update to Twitter for Mac. Some of the highlights:

• See multiple timelines at once. You can open more than one Twitter for Mac window at any time, giving you a chance to view your home timeline, @mentions, lists, multiple accounts, and more – all at once. Just go to the Window menu and then scroll down to “Open in New Window”.
• Take actions more quickly and easily. We made design changes that make the app easier to use and look even cleaner.
• We added a bar along the top that lets you easily click back to previous pages.
• There is now a separate “New Tweet” button in the bottom left corner of the app.
• We improved the design of Direct Messages, making it easier to view a conversation.
• User profiles now make it easier to learn about and interact with a user.
• Tweet faster. Twitter for Mac now has username and hashtag auto-complete.

You can download the update from the Mac App Store