Where to Look for the Next Big Thing

In Innovation Excellence:   I like this because it combines art and science.  " ... Great innovators are not just smart, they are curious.  They are rarely purists or polemicists, but are courageous enough to venture outside their domain.  Vannevar Bush, who created the post-war architecture for scientific funding that made America an innovation superpower, warned against excessive focus on purely scientific pursuits: ... "