Twitter users are now more mobile

Twitter’s mobile user numbers have increased 62% since April following efforts to make the service easier to discover and use on smartphones.

A post on by Evan Williams Twitter co-founder and CEO added that 16% of all new Twitter users were using it on mobile and that 46% of all active users regularly use the service via mobile as well as their PCs.

The two most popular mobile platforms for using Twitter last month were iPhone and BlackBerry. 8% of all Twitter users post via SMS and 14% use the service via its mobile site.

In the post, Williams wrote,  “one major area of difficulty I highlighted (at their Chirp conference) was getting Twitter on your phone. We did iPhone user tests and confirmed that even though there was a plethora of third-party Twitter apps, people were having trouble finding and selecting one because none were called ’Twitter’.”

Since April, Twitter has acquired the rights to apps such as Tweetie and rebranded it Twitter for iPhone, and recently launched a new version of Twitter for Android, as well as working with RIM to develop Twitter for BlackBerry.

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