This week, the news in the world of social networks was marked by the IPO of Twitter. There hadn't been such a stir since the introduction of competitor Facebook. Other new features should also be highlighted: rumors around a rating system for Facebook pages, the deployment of new Like and Share buttons as well as a YouTube update that integrates Google+ more extensively. IPO of Twitter: the action takes is by this tweet symbolizing the opening of the stock market that Twitter symbolized its entry into the market. Some analysts feared the stock would suffer the same fate as Facebook. The first day was however phone number list perfect for Twitter. The share price at the opening was $26 to finally close at $44.90 per share (73% increase). The valuation of the group is therefore now 24.4 billion dollars. Far too much for some observers who think the stock is overvalued. Let's not forget that the blue bird has never made a profit .Facebook has launched a test phase on a page rating system via a 5-star grid. They would be placed directly under the name of the page with the PTAT and the number of likes. The information has also been confirmed by Facebook, even if it is not known if a generalization is planned. The interest is obvious: note the quality of a page, and its content. Liking a page has indeed too often become a means of receiving information without necessarily judging it to be relevant.

When looking for a job, we appreciate being contacted on LinkedIn by a recruiter. But beware: thousands of fake recruiters rage on the social network and try to distribute malware. Link din-Logo It's the Wall Street Journal, relayed by Bit Defender, which reveals the information. 10 malicious people have created several thousand fake profiles on LinkedIn to spread viruses. In general, these are false recruiters, “equipped with an advantageous photo”, to attract candidates. After an initial contact on LinkedIn, these fake profiles contact candidates by email in order to phone number list distribute malware. To create the fake profiles automatically, scripts were used to retrieve credible information about the very real profiles that populate the social network. LinkedIn spotted these suspicious actions and decided to file a complaint in the Court of the Northern District of California. The fake accounts were created through Amazon Web Services. In its complaint, LinkedIn explains that these fake recruiters can damage the credibility of the social network. Applicants may become suspicious and doubt the authenticity of profiles. A priori, LinkedIn's computer systems were not hacked during the operation. The story does not say what the fake recruiters did with the data retrieved via the social network, including CVs.