Evaluating Long-Term Growth Factors for XYZ Corp.

XYZ Corp. is a technology company that has shown significant growth over the last five years, with an annual revenue growth rate averaging 20%. Analysts are considering the company's potential for future growth based on several factors. XYZ Corp. has recently invested heavily in research and development (R&D), aiming to innovate and expand its product line. It is also exploring entry into emerging markets, which are expected to experience rapid growth.

Given this context, which of the following factors is most likely to sustain XYZ Corp.'s growth in the long term?