Q. Quizlet
An educational service, Quizlet enables users to upload and view user uploading series of flashcards, offering memory aids for a whole host of conceivable subjects, ranging from flags of the world to elements of the periodic table, making the task of revision for contemporary students a much less daunting prospect than it used to be. An honourable mention goes to Quidco, one of the UKs pioneering cashback websites, allowing users to receive money back on their transactions with numerous affiliated sites.
R. Reddit
A social news website, Reddit displays stories from around the web, ranking them by their popularity amongst users, who vote on which stories get pride of place, allowing individuals to quickly digest what are considered, by the majority of their fellow web users, to be the most important items of the day. Honourable mentions go to Reuters, also a news site, and one of the worlds most comprehensive, covering a wide range of topics in nearly every country on the planet, and RottenTomatoes, a large film database that offers a true reflection on the quality of individual films, offering aggregated scores based on the separate views of critics and the community as a whole.