BACKGROUND The Internet, and its popularity, continues to grow at an unprecedented pace. Watching videos online is very popular; it is estimated that 500 h of video are uploaded onto YouTube, a video-sharing service, every minute and that, by 2019, video formats will comprise more than 80% of Internet traffic. Health-related videos are very popular on YouTube, but their quality is always a matt...

INTRODUCTION Social media as YouTube have become a part of daily life and many studies evaluated health-related YouTube videos. Our aim was to evaluate videos available on YouTube for the conformity to textbook information and their sufficiency as a source for patient information. MATERIAL AND METHOD A search of the YouTube website was performed using the keywords "spinal anesthesia, epidural...

Received 3 January 2007 Accepted 1 March 2007 . . . . . . . . . . . . . . . . . . . . . . . . W ith advertising bans eroding direct tobacco advertising and promotional opportunities, tobacco companies are embracing more covert means of keeping their products in the minds of current and potential consumers. Compared with the breadth of published research on ‘‘above-the-line’’ tobacco advertising...

RÉSUMÉ. Cet article est une étude de l’évolution du nombre de vues des contenus dans YouTube. Nous proposons dans un premier temps plusieurs modèles inspirés de l’économie et de la biologie pour caractériser les courbes d’évolution des nombres de vues des vidéos. Dans un deuxième temps, nous proposons une méthode automatique de classification de ces courbes en les associant à l’un des différent...

User profiles constructed on Social Web platforms are often motivated by the need to maximise user reputation within a community. Subscriber, or follower, counts are an indicator of the influence and standing that the user has, where greater values indicate a greater perception or regard for what the user has to say or share. However, at present there lacks an understanding of the factors that ...

INTRODUCTION The amount of information being uploaded onto social video platforms, such as YouTube, Vimeo, and Veoh, continues to spiral, making it increasingly difficult to discern reliable health information from misleading content. There are thousands of YouTube videos promoting misleading information about anorexia (eg, anorexia as a healthy lifestyle). OBJECTIVE The aim of this study was...

We explore the implications of Zipf’s law for the understanding of linguistic productivity. Focusing on language acquisition, we show that the item/usage based approach has not been supported by adequate statistical evidence. By contrast, the quantitative properties of a productive grammar can be precisely formulated, and are consistent with even very young children’s language. Moreover, drawin...

Video streaming currently dominates global Internet traffic and will be of even increasing importance in the future. In this paper we assess the impact of the underlying transport protocol on the user perceived quality for video streaming using YouTube as example. In particular, we investigate whether UDP or TCP fits better for Video-on-Demand delivery from the end user’s perspective, when the ...

BACKGROUND As the most popular video sharing website in the world, YouTube has the potential to reach and influence a huge audience. This study aims to gain a systematic understanding of what e-cigarette messages people are being exposed to on YouTube by assessing the quantity, portrayal and reach of e-cigarette videos. METHODS Researchers identified the top 20 search results on YouTube by re...