Tumblr is a social medial tool that allows users to create personalized blogs and include information including text, photos and music. In addition to the page-creation tools that this free service provides, you also have the ability to locate the people you know within the Tumblr community. Use the Tumblr search mechanism to enter your Gmail or Yahoo contacts information so you can follow your friends blogs. You can also find people if you know their URL, username or email address.
Log in to your Tumblr account and access the Find Your Friends page (see Resources).
Click on either the Gmail or Yahoo icon. Give Tumblr permission to access your account and grab your contacts. Click the "Look up contacts" button to start the search.
Click the name that appears to go directly to your friend's page. Alternately, click the "Follow" button to add the member to your list of contacts.