What is Sugru, Exactly? A Magical, Moldable Glue for Repairs and Projects

The first time I saw Sugru, I was admittedly skeptical. A coworker was smearing it on a torn phone charger cord, and it seemed like the kind of mushy Play-Doh you didn't necessarily want to slather all over your nice, clean electronics. But a couple days later, my work pal showed me the repaired charger--the rubber had hardened, but could still be bent, and the charger itself worked like a charm. Now I'm a Sugru convert. Over the past few years, the Sugru team and bloggers have come up with even...