One of the easiest ways to make sure you are remembered is to attach your photo to your LinkedIn profile. If you reach out to someone, and even tell them where they met you, it may not jog their memory unless they see your picture. And speaking of your LinkedIn profile, what does your headline say about you?
One of the easiest ways to derail yourself though, is to use your LinkedIn status update imprudently. Are you keeping it appropriately upbeat and focused on action? The use of this toolbar can also scream "I am a Millenial" (even if you aren't), so don't feel compelled to use it. But if you do use it, do so with care, and keep it updated regularly.