Kevin Kelly (3+ years ago), and it is still just as timely and relevant:
Right now, today, in 2014 is the best time to start something on the internet. There has never been a better time in the whole history of the world to invent something. There has never been a better time with more opportunities, more openings, lower barriers, higher benefit/risk ratios, better returns, greater upside, than now. Right now, this minute.