When you have someone's email address, it is important to know if the it's valid and not fake or misspelt. Some mail servers bounce invalid email addresses while others will not. Here's a list of services that can verify email addresses more reliably.
Usually there is no way you can contact the owner of a wireless network as it does not reveal any information other than the SSID. Wifis.org has made it possible for people nearby to contact the owner of the Wi-Fi network by a few simple steps.
Facebook is one of the social networks where you can easily chat with friends through your browser. There was also a Facebook desktop messenger program which was discontinued. If you would still like to use the Facebook chat service, it's still possible and here we show you three solutions to do it.