Articles on big data

What makes you excel in your career? Become an expert in x, y, z. Sure, you need to learn technical skills, quite a lot of them. However there is a lot more to it. If you want to succeed in your job, business and life, you want to build a portfolio, share your learning, become a reader and a good writer, and last but not least stick to daily exercising. I published this article on my blog 2 years ago and find a lot is still relevant today and will serve our community. I also added an updated towards the end.