A well-established company decided to launch a forecasting process Vis a Vis business development, trends and opportunities related to Covid-19 pandemic era and its aftermath. The company CEO and his top management elite convened to choose a forecasting technique that might lead to what they aspiring for. The decision was made to take opinion of several employees at lower levels and arrange several meetings to discuss these ideas. Which one of the following forecasting techniques they used? * Brainstorming Cross impact analysis O Delphi technique Statistical modeling