[mustafa0x]

> Overall, startups are looking for employees who are exceptional in the one key thing that they will be doing

Key - in my opinion - being the operative word. In other words, you may be doing many things, but how good you are at those things aren't as relevant as how good you are at this key thing.

[lennyburdette]

Much like the idea of the "T" shaped employee from Valve's employee handbook. Broad set of capabilities with depth in a specialty.