Sampler for 20 minutes.

This tool will help you resolve all possible problems which can be worded in either of these two ways - 

1. On the one hand I need something, while on the other I need its opposite. 

2. If I carry out a change the desired good can occur, but along with it some bad will occur too. 

An extremely useful technique for contradiction problems faced daily in management, R&D and above all, in our lives.  Adapted from TRIZ.