It is instructive to assess the elasticity of demand in the target market to gauge the potential demand curve as the Disruptor moves upmarket. Forecast take a top down approach to the penetration rate of the target market and sanity check with a bottoms up forecast based on usage. The success of the Disruption is that it ultimately captures a significant amount of the industry's revenues and profits. All Financial Analysts forecast 3 year, 5 year and 10 year outlooks. Forecasts of Disruptions are quantitative and do not rely on hypotheses. Financial Analysts are forward looking and take a broad view of competition. Analysts cannot accurately predict the timeframe of a Disruption, but can easily forecast the long-term penetration rate