white space
n.— «White space—a high-growth or unserved market or outside-the-box business opportunity.» —“Increased pay gets devoured by inflation” by Diane Stafford Kansas City Star (Kan., Mo.) Nov. 23, 2004. (source: Double-Tongued Dictionary)
Further reading
National Book Award winner Barry Lopez had wise advice for young writers. First, read widely and follow your curiosity. Second, travel or learn a foreign language. And third, find out what you truly believe, because if you’re not writing from...
Twice a day the River Thames recedes, revealing a muddy shoreline. Hobbyists known as mudlarks stroll the surface searching for objects that have found their way into the river over the centuries, everything from ancient Roman jewelry to modern...