According to digital analytics company comScore, Pinterest has recently had less traffic from unique visitors. Although the number of unique visitors is still up compared to recent months, Pinterest growth-rate has declined during the 'February to March' period when compared with the 'January to February' period.

CNN is said to be in advanced talks to acquire Mashable. The sale could be announced as early as Tuesday in a deal worth more than $200m. Mashable, which was founded by Scottish-born Pete Cashmore in 2005, covers social media and technology news and has expanded to business and entertainment news as well. Mashable has a large following, with more than 20 million unique monthly visitors.

Facebook and Google have removed web pages considered offensive to India’s political and religious leadership in order to satisfy a court order. Indian prosecutors are suing a number of Internet companies on behalf of a Muslim religious leader who has accused them of hosting content that insults Islam. Google India did not reveal which sites were removed, while Facebook admitted to removing content from some 'Indian domain websites'.

Facebook will be introducing a new type of advertising during this week’s Advertising Week in New York, that expands when a friend 'likes' a brand. The new advertising unit, unlike the Sponsored Stories rolled out last January, will allow users to like and comment, based on the belief that ads with recommendations of friends are more effective than standard display ads, according to Mashable.

Apple has finally unveiled its new iPhone and it's not an all-new iPhone 5, but an upgraded version of the iPhone 4, which despite being a significant improvement resembles a bit of a disappointment to Apple fans. In fact, Apple's share price actually dropped following the iPhone launch event.

Advertisers can selectively target their brands to Twitter account users across a wider network with 'Promoted Tweets.'  Similarities are determined through Twitter’s interest graph, a collection of data points that take into consideration who the user follows, how the user interacts with tweets and what the user retweets.