How to survive 50 Million years without sex?

How to survive 50 Million years without sex? 

Staying celibate can be a difficult task, but bdelloid rotifers have managed to survive without sex for nearly 50 million years.
Scientists now think they have cracked the secret to these microscopic animals’ success: recombining their own genes in new ways and stealing genes from other organisms living nearby, thus keeping genetic diversity alive and well—even without the DNA from a mate.

Source: http://newswatch.nationalgeographic.com/2013/07/25/how-to-survive-50-million-years-without-sex/