Complex sentence: While Roadtrippers offers over 50,000 attractions in the United States, reviews written in 2012 said it still had a ways to go, and needed more attractions in order to garner new and repeat users.
Split into simpler sentences: While Roadtrippers offers over 50,000 attractions in the United States, it still has a ways to go. Roadtrippers needs more attractions in order to garner new and repeat users.