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With the recent PS3 firmware upgrade to 1.80, PSP owners were promised the ability to access their Remote Play feature from any Wi-Fi connection. However, they had to wait for the newest PSP firmware upgrade to utilize this feature. Apparently the wait is over, as the PSP 3.50 firmware is now available, allowing anyone with a PSP to access their PS3 hard drive from anywhere.
Sony has also added the RSS Channel Guide as a feature under Channel Guide as well.