stake a claim to (something)
to make a claim for something
Everybody in our class tried to stake a claim to the free cell phones.
Precautions while using Social Networking Sites
Do not check in to different locations
Do not check in to different locations. Many social media sites offer incentives for visiting certain places and posting your whereabouts online. Keep in mind every time you do this, you tell anyone watching exactly where you are and how far you are away from home.