As you type into the search box, Google Suggest guesses what you’re typing and offers suggestions in real time. This is similar to Google’s “Did you mean?” feature that offers alternative spellings for your query after you search, except that it works in real time. For example, if you type “bass,” Google Suggest might offer a list of refinements that include “bass fishing” or “bass guitar.” Similarly, if you type in only part of a word, like “prog,” Google Suggest might offer you refinements like “programming,” “programming languages,” “progesterone,” or “progressive.” You can choose one by scrolling up or down the list with the arrow keys or mouse.
Google suggest will affect eventually the known Long Tail traffic. While the normal user will appreciate the suggestions given by google suggest, it should in the long run affect people who conducts business with domain parking through typos. Decrease of traffic through this type of business could be felt, due to the fact that google suggest will not suggest typos, unless, the user prefers not use to use suggestions given by google.