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-# Extract data from ROS2 bag
+# ROS Data Exchanger
 
-This is a code to read data from ros2 bag. Example for getting RealSense camera data from a bag.
+This is a code to read data from ros2 bag & record data to ros2 bag.
+Example for getting RealSense/Feynman camera data from a bag & record data to bag.
 
 If you encounter problems with cv_bridge, you can refer to https://sxij.xyz/posts/ros_cv_bridge/ .
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