Complex sentence: They found that the participants thought about search engines when searching for information, but perhaps the most important finding from their studies suggests that individuals have a tendency to forget information that they believe will be readily available to them in the future.
Split into simpler sentences: They found that the participants thought about search engines when searching for information. Perhaps, the most important finding from their studies suggests that individuals have a tendency to forget information that they believe will be readily available to them in the future.