This document introduces technology forecasting. It defines technology forecasting as predicting the direction, character, rate, implication, and impact of technological advances. The key reasons for technology forecasting are to improve decision making by scanning the technological environment and anticipating changes. It describes the basic model of technology forecasting as having inputs, a forecasting process and techniques, and outputs. The main elements of technology forecasting are the forecasting problems/objectives, data, forecaster, techniques, forecast, and review mechanism. The objectives of technology forecasting include projecting technology replacement rates, assisting R&D management, evaluating technology value, identifying new opportunities/threats, and analyzing developments that could change strategies.