diff --git a/ai_research/ethics_privacy/README.md b/ai_research/ethics_privacy/README.md
index f8310e7..7a304f4 100644
--- a/ai_research/ethics_privacy/README.md
+++ b/ai_research/ethics_privacy/README.md
@@ -54,11 +54,39 @@
   - APIs and SDKs
   - Wireless transmission
 
-- **Data Cleaning**:
-  - Pandas
-  - Sci-kit learn
+### Data Cleaning:
 
-- **Data Analysis**:
-  - TensorFlow and Keras
-  - Matplotlib and Seaborn
+3. **Pandas**:
+   - **Example**: Cleaning a dataset with missing values using Pandas before training a machine learning model.
+   - **Relevant Link**: [Pandas Documentation](https://pandas.pydata.org/pandas-docs/stable/index.html)
+   - **Usage in HAR and AI**: Pandas can be used to structure and clean sensor data, making it suitable for training AI models capable of recognizing complex patterns in human activity data.
+
+4. **Sci-kit learn**:
+   - **Example**: Using Sci-kit learn for feature selection and removing irrelevant features from a dataset.
+   - **Relevant Link**: [Sci-kit learn Documentation](https://scikit-learn.org/stable/)
+   - **Usage in HAR and AI**: Sci-kit learn offers various tools for data preprocessing, which is a vital step in preparing data for AI algorithms, enhancing the performance of the models in HAR applications.
+
+### Data Analysis:
+
+5. **TensorFlow**:
+   - **Example**: Developing a deep learning model using TensorFlow to classify different activities based on sensor data.
+   - **Relevant Link**: [TensorFlow Documentation](https://www.tensorflow.org/learn)
+   - **Usage in HAR and AI**: TensorFlow provides a comprehensive platform for developing and training AI models capable of analyzing and recognizing patterns in human activity data.
+
+6. **Keras**:
+   - **Example**: Using Keras to create a convolutional neural network (CNN) for image recognition, an essential task in AI.
+   - **Relevant Link**: [Keras Documentation](https://keras.io/getting_started/intro_to_keras_for_engineers/)
+   - **Usage in HAR and AI**: Keras simplifies the process of building and optimizing neural networks, a crucial component in AI, to analyze human activity data more effectively and make predictions.
+
+### Visualization and Further Analysis:
+
+7. **Matplotlib**:
+   - **Example**: Using Matplotlib to visualize the distribution of different activities within a dataset.
+   - **Relevant Link**: [Matplotlib Documentation](https://matplotlib.org/stable/contents.html)
+   - **Usage in HAR and AI**: Visualization of data is essential in AI to understand underlying patterns and trends in data, aiding in the better development and tuning of models for HAR.
+
+8. **Seaborn**:
+   - **Example**: Creating a heatmap using Seaborn to visualize the correlation between different features in a dataset.
+   - **Relevant Link**: [Seaborn Documentation](https://seaborn.pydata.org/)
+   - **Usage in HAR and AI**: Seaborn can enhance data visualization in AI, assisting in identifying relationships and patterns in data which can influence the development and performance of HAR models.