In the face of the informationblast, how tofindtheuseful and wholesomeinformation, and avoid theuseless and harmfulinformation, which is alwaysanissuedeserved tostudy.
The Web admin can decide to send a text message back to the sender to verify the information, send out a blast alert to large numbers of people or post the information onto a Web page with location information from Google Maps (or do all three).
Now a lot of my friends and people are using it in this new way to communicate that isn't this public blast of information on your Facebook wall or Twitter.
In the hours after abductions, much hope is placed in Amber Alerts, which police use to blast out information about the victims or suspects to the public in the hope someone sees something.