Learn how to check if an email address is valid and really exists without sending a test mail to that address. Works for Gmail, Outlook and Yahoo addresses.
How much money can you expect to make from your YouTube channel? Can you really get rich producing videos for the YouTube audience.
If there are two words separated by a dot (or period), Twitter will auto-convert them into a clickable hyperlink. You can however prevent that.
You can embed high-quality photographs from Getty Images' news, entertainment and sports collections for free without worrying about copyright or licensing.
Learn about services that will help you find Twitter users near you through the magic of location sharing.
Check out the new Dictation.io that turns your browser into a voice recognition app. Other CtrlQ.org apps have been upgraded as well.
All Gmail users have two email addresses by default - one is the regular @gmail.com while the second email address has googlemail.com as the web domain name.
Can your music taste determine how smart or dumb you are? Virgil Griffith has mapped musical tastes of college students with their intelligence levels determined by the SAT score.
Twitter requires you to specify a different email address for every account that you create on twitter. However, you can bypass this requirement easily with a Gmail address.
This is a comprehensive list of companies and brands that are owned by Amazon, the world's largest online shopping retailer.
You can get 100 GB of free storage space on the Microsoft OneDrive service, formerly known as SkyDrive, by simply logging into the onedrive.com website.
You can significantly increase your AdSense revenue by choosing an ad size that offers higher CTR and CPM. Split (A/B) testing can help you find one easily
Learn how to use regular expressions to validate user-entered data in Google Forms. Also includes popular one-line regex patterns for common form fields.
Learn how you can easily accept or reject all pending friend requests on Foursquare in one easy step on the Foursquare.com website itself.
You can add the Follow button to your Facebook profile to let anyone see and subscribe to your status updates and public photos on Facebook.
Google Software Update would like to control this computer using accessibility features. Why do you get this message on Mac and what you should do about it?
If you ever get a DMCA takedown on Facebook or YouTube for videos that contain royalty-free music from iMovie and other software, always file a counter notice.