Under Blocking Options, you can unblock or block any tracker that is in the tracker library. You can “Search by tracker”, which updates the list automatically, depending on the criteria you type in. Or, click on the Category title to open a list of trackers under that category. Find the appropriate tracker, then click the checkbox to Block (red check mark appears) or leave it blank to Unblock that tracker.
Note: Click on the name of a tracker in this list to read a small tag description. Click "Continue to full tracker profile" to open the company page.