persist

To go on stubbornly or resolutely.

There is a way in which Britain is certain to have war and its horrors and calamities; it is this--by persisting in her present course of unpreparedness, her apathy, unintelligence, and blindness, and in her disregard of the warnings of the most ordinary political insight, as well as of the example of history.

To repeat an utterance.

To continue to exist.

Much of this prejudice, indeed, persists; for instance, in the heavy handicappings with which insurance companies saddle their West Indian policies, […]

Throughout the period, toothy giants persisted in the oceans. Perhaps the most spectacular was the megalodon shark.

To continue to be; to remain.

To cause to persist; make permanent.

This would not be saved after his session terminates because we don't have an actual user identity to allow us to persist the settings.

While hashtags aren't formally part of Twitter, some clients, such as Tweetdeck, will persist hashtags across replies to create a sort of message threading.