When it comes to ridesharing services Uber ($UBER) and Lyft ($LYFT), there's no question that Uber is the larger of the two. But with some dirty laundry that aired last year and a subsequent C-level shakeup, Uber's growth slowed down, if even just a little bit. Meanwhile, Lyft, which was once condiered a small upstart, is now seen by riders as a viable — and even preferable — alternative.