HEATKEYS

See what your friends are reading. Keep track of what you

YouTube is a place to discover, watch, upload and share videos.

Music, movies, TV, shows and now friends. Get connected on iTunes 10.

Academia.edu helps academics follow the latest research.

Online shopping from the earth's biggest selection of books, magazines, music, DVDs, videos, electronics, computers, software, apparel & accessories, shoes, jewelry, tools & hardware, housewares, furniture, sporting goods, beauty & person...

LibraryThing catalogs your books online, easily, quickly and for free.

AbeBooks is your source for Used, New, Rare and Out of print books. Find classic collectibles, rare signed editions, used textbooks, and inexpensive bestsellers from independent booksellers worldwide.

Scribd is a social publishing site, where tens of millions of people share original writings and documents. Scribd

Find what you want in a library near you with WorldCat, a global catalog of library collections.

Flickr is almost certainly the best online photo management and sharing application in the world. Show off your favorite photos and videos to the world, securely and privately show content to your friends and family, or blog the photos and videos you...

Xojo is a development tool for creating powerful, native applications for Mac OS X, Windows, Linux, the web and, soon, mobile.

Twitter is without a doubt the best way to share and discover what is happening right now.

Una raccolta di migliori pratiche, standard di codifica accettati e link a tutorial PHP di qualità sparsi per il Web.