With number of Facebook profiles almost touching a billion and in these times where the news reaches people via Twitter first and then via other sources, this is fast evolving as one of the major digital marketing questions of recent times - Which is a better marketing tool - Social Media marketing or Newsletter marketing? Recent studies reveal that majority of people use social networking sites to stay connected followed by a close group of people who choose to text while there are still many out there who just shoot emails to stay connected.

Oceanographers use science and arithmetic to study and explain the complex interactions between seawater, water, polar ice caps, the atmosphere and the ecosphere. They're concerned in areas like mineral exploitation, shipping, fisheries, coastal construction, pollution, weather prophecy, global warming and eco-friendly energy. Oceanographers may specialise and become :