www.quora.com

          Quora is your best source of knowledge. Ask any question, get real answers from people with first hand experience, and blog about what you know.

Link: https://www.quora.com/

www.tunein.com

            Listen to online radio, find streaming music radio and streaming talk radio with TuneIn.  The best guide to every type of radio: conservative, progressive, public, news, sports, religious, jazz, classical, rock, country, business, latin, hip-hop, pop, adult contemporary, and more.

Link: http://tunein.com/

www.imm.io

          imm.io is a one-click easy image sharer, perfect if you want to upload an image to show your friends or link from other sites. Just choose a file to upload and we give it a place to call home.

Link: http://imm.io/

slid.es

            Slides was founded to allow anyone with a web browser to easily create, present and share beautiful presentations for free. It was founded by Hakim El Hattab and Owen Bossola. Hakim created the world-class presentation framework reveal.js, which is used by Slides.

Link: http://slid.es/

www.sharexy.com

           Sharing works best when the buttons are located in a way they can be easily spotted by visitors at your website, blog or forum. Sharexy provides possibility to customize not only the look of your widget's sharing buttons, you also get to choose its placement options!

Link: http://www.sharexy.com/