Also, realize that people aren’t going on social media to buy things. Instead that want to be engaged or entertained and possibly learn something. With that being said, I’ve found out about a lot of great products and services via social media so if you do choose to promote affiliate products, realize that many of your followers probably won’t buy but the larger your following is, the more likely you are to make a sale.
UK researchers used a dataset of more than 800 million Twitter messages to evaluate how collective mood changes over the course of 24 hours and across the seasons. The research team collected 800 million anonymous Tweets from 33,576 time points over four years, to examine anger and sadness and compare them with fatigue. The "research revealed strong circadian patterns for both positive and negative moods. The profiles of anger and fatigue were found remarkably stable across the seasons or between the weekdays/weekend." The "positive emotions and sadness showed more variability in response to these changing conditions and higher levels of interaction with the onset of sunlight exposure." 
Maybe you know the top 3 or even the top 5 social networking sites, but do you know what’s happening behind them? We maintain the list of top 15 most popular social networking worldwide. New social media sites are coming and going, but these have stood the test of time. We update this list of social media sites with new data as it becomes available. The data in this list combines global and US social media visitors. The actual numbers of monthly visitors are gathered from different sites. We bring you the latest data out there.
Social medias are the key window to get the information from every corner of the globe. Social media facilitate the development of social networks by connecting a users profile with the other individuals or the groups. It is the great platform of communications. Different social medias such as: google, facebook, instagram, whatsapp, twitter and so on which are providing a range of a positive and negative impacts on our daily life.
Small businesses will profit in massive ways that from obtaining users to “pin” photos of their things on to their Pinterest boards. produce AN account, interact within the community by promise different individuals’s photos and transfer photos that stimulate people to shop for your product.so this is one of the way for make money from social media.
"Twitter only adds to the noise: it's simply impossible to pack much context into its 140 characters. All other biases are present as well: in a country like Iran it's mostly pro-Western, technology-friendly and iPod-carrying young people who are the natural and most frequent users of Twitter. They are a tiny and, most important, extremely untypical segment of the Iranian population (the number of Twitter users in Iran — a country of more than seventy million people.)"
The variety of evolving stand-alone and built-in social media services makes it challenging to define them. However, marketing and social media experts broadly agree that social media includes the following 13 types of social media: blogs, business networks, collaborative projects, enterprise social networks, forums, microblogs, photo sharing, products/services review, social bookmarking, social gaming, social networks, video sharing, and virtual worlds.