When using the WordPress Twenty Ten theme (for those not hosted on WordPress.com), it is desirable to remove the site header text that displays the site title and tagline at the top of the page. This conserves space and allow for a more artistic presentation of the site.
Using a child theme helps retain your modifications even after parent theme updates have been installed. However, some users may be reluctant to use child themes for just a few minor changes that are easily repeated later.
Here are the instructions for removing the site header title and tagline from WordPress Twenty Ten. [More...]