What is Popular Business This Year (2013)?

Hey guys,
With the advancement of technology is growing, so many people are interested doing to business online and quite a few are successful. They earn extraordinary income.
I'm sure most of the members DP is a successful online business, and I just wanted to write a thread asking for opinions —
What do you think is suitable for business this year which has a great opportunity? Before taking the step of my career, give me a little explanation.
You can choose online or offline business…
What is Popular Business This Year (2013)?

See original post by irma zuhro