How-Tree can visualize strategy and practical relationships and maintain consistency. Why-Tree can analyze the root cause common to multiple problems, and conversely analyze the cause group constituting one problem. What-Tree can categorize information such as collected bookmarks, files, memos, making it comprehensive accessible and compose your presentations / documents. Features: Easy Visualization of Various Information such as Corporate Strategy. Easy Collaboration by "Merge Maps on Read". (Trial) Easy Various Documents Generation from Maps. Easy Aggregation Only Necessary Information into One Map.