Remember back when it was next to impossible to find information about 2162735_David_Vasquez? Well now, thanks to the internet, it is relatively easy. Much can be learned by simply plugging "2162735_David_Vasquez" into the search engines and then reading and following the links on the resulting pages.
When conducting a search find people free, it makes sense if you start close to home. Why is this so? Because often the best and most effective means of finding people are also the most overlooked.
Take the telephone directory, for instance. It is highly likely that you can find who you are looking for by simply picking up your local telephone directory and scanning through the pages.
Or, if what you are looking for is an email address, then check your old email correspondence with that person. You will surely find the person’s email address. Even if that email address is now defunct, there is a big chance that the person might have activated his automatic email forwarding in his old email server. Therefore, any messages sent to the old inbox can get automatically sent to the new inbox, just like in the postal service.