These tasks are being promoted in hopes that someone will claim them! If you're looking for something to do, try one of these. (Check their Friction and Relativity for a rough measure of what you're getting into.)
The top 10 are listed here. For a complete list, click the Magnifying Glass icon, or browse the combined Help Wanted/Low-Hanging Fruit query.
You can add a task to this list by marking it with the tag Help Wanted [Control].