diff --git a/README.md b/README.md
index 4f10053..485eb2c 100644
--- a/README.md
+++ b/README.md
@@ -60,35 +60,62 @@ A clean, card-based interface for navigating between all available reports. Each
 
 ### Features
 
-- **Multi-view Dashboard**: Comprehensive analytics with multiple views
-- **Data Filtering**: Filter by date range, user, model and sub-tool
-- **Summary Cards**: Quick overview of usage metrics
+- **Multi-view Dashboard**: Comprehensive analytics with multiple views and interactive visualizations
+- **Enhanced Date Filtering**: Filter by date range including Today, Yesterday, 7 days, 30 days, **90 days**, and All time
+- **Multi-Select Filtering**: 
+  - **Checkbox-based filtering** for Users, Models, and Sub-Tools
+  - **Select multiple items** simultaneously instead of single selections
+  - **Select All/Deselect All** buttons for quick bulk operations
+  - **Real-time filtering** with instant updates across all views
+- **Interactive Pie Chart**: 
+  - **Tool usage distribution** visualization on Summary tab
+  - **Hover tooltips** showing counts and percentages
+  - **Dynamic updates** when filters change
+  - **Chart.js powered** interactive charts
+- **Summary Cards**: Quick overview of usage metrics with visual enhancements
 - **Multiple Pivot Tables**:
   - By User: See which users are using which tools
   - By Model: Track usage across different AI models
   - By Sub-Tool: Analyze which sub-tools are most popular
 - **Detailed View**: See all usage entries with full details
-- **CSV Export**: Download full raw data as a CSV file
+- **CSV Export**: Download filtered data as CSV file with timestamp
 
 ### How to Use AI Tools Report
 
 1. Open the AI Tools Report from the main dashboard
 2. Select report type from dropdown (All Tools, Text-to-Voice, Text-to-Image)
 3. Click "Send Request" to fetch the data
-4. Use the filters to narrow down results by date, user, model or sub-tool
-5. Navigate between tabs to see different views of the data
+4. **Apply Filters**:
+   - Choose date range (now includes 90-day option)
+   - **Select multiple users** by checking/unchecking boxes (or use "Select All")
+   - **Select multiple models** using checkbox interface
+   - **Select multiple sub-tools** for granular analysis
+5. **View Results**:
+   - **Summary tab**: Overview cards + interactive pie chart showing tool distribution
+   - **Pivot tables**: Analyze data by User, Model, or Sub-Tool
+   - **Detailed View**: Complete data table with all entries
+6. **Export**: Download filtered results as CSV file for external analysis
 
 ## Technical Details
 
-- **Pure HTML/CSS/JavaScript**: Uses native web technologies
-- **Chart.js Integration**: For interactive data visualization
+- **Pure HTML/CSS/JavaScript**: Uses native web technologies with enhanced UI components
+- **Chart.js Integration**: 
+  - Interactive pie charts with hover effects and percentage tooltips
+  - Responsive charts that update dynamically with filter changes
+  - Memory-efficient chart cleanup and recreation
+- **Advanced Filtering System**:
+  - Multi-select checkbox interfaces with scrollable containers
+  - Real-time filtering without server requests
+  - Client-side data processing for instant results
+  - Bulk selection controls (Select All/Deselect All)
 - **Multiple API Endpoints**: 
   - Each report connects to appropriate data webhooks
   - Assistant name lookup uses separate assistant database webhooks 
+  - Backend provides all-time data, frontend applies date/user/model filtering
 - **Parallel API Calls**: Makes simultaneous requests to improve loading performance
 - **Authentication**: Includes secure auth_code token with each request
 - **Error Handling**: Gracefully handles API errors and displays user-friendly messages
-- **Responsive Design**: Works on desktop and tablet devices
+- **Responsive Design**: Works on desktop and tablet devices with optimized layouts
 
 ## Data Structures