The earliest Portfolio Management techniques optimized projects' profitability or financial returns using heuristic or mathematical models. However, this approach paid little attention to balance or aligning the portfolio to the organization's strategy. Scoring techniques weight and score criteria to take into account investment requirements, profitability, risk and strategic alignment. The shortcoming with this approach can be an over emphasis on financial measures and an inability to optimize the mix of projects. Mapping techniques use graphical presentation to visualize a portfolio's balance. These are typically presented in the form of a two-dimensional graph that shows the trade-off's or balance between two factors such as risks vs. profitability, marketplace fit vs. product line coverage, financial return vs. probability of success, etc.