Selling my phone- what should I do?

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http://androidforums.com – Hello everyone, I'm going to upgrade to an S3 soon and was planning on selling my old Captivate. It is rooted and has ICS (CM9) on it. I was wondering if a factory reset would be enough to erase all of my data on it while keeping the root and the firmware. Also, with Titanium Backup on my phone, are there any extra things I should delete from the internal memory? Thanks! (General)