Save Typing Time with the Hidden Web-Address Suffix Keys by David Pogue

 On the iPhone, a handy shortcut awaits when you’re trying to type a Web address or email address.

If you hold down your finger on the period key (.), you get a pop- up menu of common endings for Web addresses—.com, .gov, and .edu.

Use that. Learn that. It’ll save you a lot of time over the years.