called instant national criminal search. essentially all three of these things. some are mobile apps, some are websites. but they will also help you perform a background check on people that you're meeting on these online dating sites. one caveat, the background check information is basically public record stuff that they're compiling and aggregating, and that's not always accurate information. so you need to keep that in mind -- >> it might not be the whole picture. >> exactly. >> great to talk with you. great information too. >> thanks so much. everyone really be safe online and don't give out your full name and address. never give out your cell and home number to reach you. >> it just keeps coming. you keep bringing it. >> i've got more tips, we're out of time. >> we are out of time. but there's always next weekend, of course. because you can catch mario every saturday for tech time. he will give us the scoop on the latest technology and really important features like this one. all right. thank you to mario. if you think the protests in wisconsin have nothing to do with you, think again.