Buster Beans, is the site's most popular dog with nearly 800,000 followers on his own account.

Vine doesn't have any traditional advertising, but Lepore was one of the first users to get an endorsement, from clients like Virgin Mobile, Aquafina and Jolly Rancher. Lepore told the magazine he can make $1,000 for re-Vining someone's video, similar to retweets on Twitter, or $8,000 through product placement in a six-second clip of his own.

Kim Kardashian reportedly collects five figures for a single paid tweet, and the less-famous have figured out ways to make money through other sites.

allow the users to set a price (most were free) they want for the content they create — text, photo, video, audio, and live broadcasts.

within four months, the Pheed app had moved to No. 1 on Apple AAPL +0.13% social apps ahead of both Facebook and Twitter TWTR +2.76% for teen users

Mobli isn’t looking to simply gain Pheed’s 5 million users.

Path was originally conceived as a companion network to Facebook for people to enjoy higher engagement with a smaller number of quality friends and contacts. It specifically limited users to 150 in-network connections as a tip of the hat to Dunbar's number, an idea in anthropology stating human brain size is such that we can only support meaningful relationships with 150 people.

Path today is largely irrelevant to mainstream US consumers and has become an afterthought among Silicon Valley investors and employees

The app ranks 5th among social media apps in Indonesia (10th overall), 15th in Niger (148th overall), and 17th in Saudi Arabia (79th overall), but nowhere else does it crack the Top 20.

show a company catering to this emerging market audience with features like sticker packs that are less likely to translate in North America and Europe.

Xing, a public company, gets most of its traffic in Germany, which explains why it’s stopping support for other languages. 76% of its pageviews come from Germany and 90% from German-speaking countries (D-A-CH: Switzerland, Austria and Germany). According to Faber Novel, Xing had 5.3 million members in this region back in 2011 (now it has more than 6 million), while Linkedin had just 2 million.

While not being too open (its API is still much limited), Linkedin has adopted a more flexible strategy in which users can do more things without seeing a “Pay or leave” message.

Xing’s main source of revenues are premium members, to the point that it has more subscribers than Linkedin and bought Amiando to bring revenues from events

Russians are the most active social network users in the world, and spend more time on them than any other country.

it has around 50 million unique users, while Facebook has just over 10 million

VK is the opposite: it is especially popular among the younger demographic

Twitter Cards let you take your tweets beyond basic text. They allow you to create a media-rich experience for website visitors who tweet your content. They add visual interest through images, product info, videos, etc. All you have to do to get started with using the feature is add a couple lines of code to your site. For those interested in using the feature, there are seven Card types to choose from: gallery cards featuring a number of images single photo cards summary cards which let you post a link with further information summary cards with images app cards player cards which showcase videos product cards