I think this really depends on your goal. Do you want to excel in a particular field? If so, you should pick one thing, and focus on it. Do one thing well. Bei

I think this really depends on your goal. Do you want to excel in a particular field? If so, you should pick one thing, and focus on it. Do one thing well. Being a jack of all trades, and master of none is more suitable for managers. I wrote a blog post about being an expert at something, if you're interested: http://philipthrasher.com/2010/04/11/want-to-be-an-expert.html http://philipthrasher.com/2010/04/11/want-to-be-an-expert.ht...