Casey Hines | @caseyagogo From videos of cats playing keyboards to Harvard philosophy lectures,  YouTube has become the leading platform in self-expression. It's a venue to speak about literally anything and everything, with the opportunity to build an audience via subscribers. "Going viral" has become a phenomenon in both the pop culture and marketing spheres because content from YouTube can be so easily shared. More and more businesses are realizing the importance of a YouTube presence, which creates another portal for online interactions. These are twenty intriguing and innovative channels we feel are definitely worth watching.

	The New Boston The ultimate source for free video tutorials on the Internet. The New Boston has every tech tutorial under the sun. Curated by its creator, Bucky Roberts, The New Boston covers everything from programming to design to even video games. Roberts has a philosophy that education should be freely available to anyone, and this channel is definitely an excellent resource for boning up on tech skills.
	Food. Farmer. Earth. A weekly journey of wide discovery about our food and sustainable agriculture. Food. Farmer. Earth. is a great example of using YouTube for social good. This channel discusses the role of accessible and creative ways to source food, and provides a platform to showcase individuals and organizations that are making a difference in this cause. There's also videos featuring delicious recipes!
	Lifehacker  Learn everything from computers to brewing coffee from the team at Lifehacker. Lifehacker is another extended how-to channel that appeals to techaphiles. It's a learning resource for programs, apps, and hacks to make the most out of your devices. Lifehacker is targeted to those who want to customize and streamline everything, but it's not without it's humor. My personal favorite is the Girl Scout cookie taste test video.
	RSA  The RSA: meeting 21st century challenges by showcasing ideas, undertaking innovative research and building civic capacity around the world. Arts, economics, education, science, and several thought-provoking ideas about philosophy and communication are what makes up the RSA (Royal Society for the encouragement of Arts, Manufactures, and Commerce) channel. Conversations and perspectives that challenge the way we view business, society, and how we connect with each other are incredibly important, and the RSA is producing the perfect content to stimulate those discussions.
	GOOD  GOOD is the global association of individuals, businesses, and non-profits powering what works. GOOD is a print and online magazine covering news events and pop culture. No matter what industry you're in, it's always important to get inspired, and GOOD's videos do just that.  The What Inspires You and What You Love videos are the biggest pull, with interviews from interesting individuals about what keeps them passionate.
	MAKE  MAKE brings the do-it-yourself mindset to all technology in your life. This channel is focused on DIY, in all kinds of fields. Whatever you're passionate about, MAKE has a cool project for you. Linux, toy building, crafts, robotics, house, and furniture how-tos are just a few of the categories to choose from, and they're all presented in a fun and hip way. The talking booby trap, sewable circuitry, and the DIY iPad stylus are just a few of our favorite MAKE projects.
	MEDIA THAT MATTERS  SCREEN | ACT | IMPACT The title says it all. Media That Matters produces content that may go unnoticed by most of us. These are really important stories about issues of faith, race, the LGBT community, and the environment told in creative ways. If you have an interest in public awareness and social justice, Media That Matters is a great resource for learning about who's in need and what situations need to be addressed in our country.
	Techfast Lunch & Dinner  The latest Apple/Mac/Consumer tech reviews, unboxings, and giveaways. Techfasts provides reviews for those who wants to know about products before they buy, especially for those purchasing Apple products. There are also tips and tricks to customize your products and programs.
	Fora.tv  Fora.tv is the leading online provider of video programs from conferences, summits, public forums, university debates, and think tanks. Channels like Fora.tv are important because they provide a window into any meeting or forum  for interested viewers. Conversations both big and small from all over the world are available to the public, with an extensive archive of content available at Fora.tv.
	Vsauce  Amazing facts and the best of the Internet. With a channel description like that, it would be easy to think that Vsauce is just a collection of memes and general online silliness. To the contrary: it's the thinking person's Internet brain break. With videos exploring questions like "Why do we laugh?" and "Why don't any animals have wheels?" plus video montages featuring amazing products you didn't even know you needed to have (like the solar-panel self-charging iPad case), Vsauce is entertaining and informative. Definitely something worth Tweeting about.
	Google  Google's official YouTube channel. Google has become a global juggernaut as a search engine, business app, and an overall platform for organization and information gathering. Navigating all of Google's tools can be overwhelming, but the Google channel is full of updated tutorials to help users use Google to it's full advantage.
	TechWebTV  News, information, and commentary on technology from the editors, journalists, and bloggers at Information Week. TechWebTV is the channel related to Information Week, an online news source about the business value of technology. It's strictly catered to professionals, with interviews, reviews, and articles about a wide spectrum of programming and devices from top companies.
	The Kennedy Center  Video content produced by the John F. Kennedy Center for the Performing Arts, located in Washington D.C. Go behind the scenes at the renowned Kennedy Center to catch a glimpse of performances and interviews that make this institution a landmark of American performing arts.
	Computerworld News, reviews, and interviews from Computerworld magazine. Learn everything worth knowing about computers and software from Computerworld, as well as fresh news about the technology industry from Computerworld's mini-news update, The Byte.
	PBS  The Public Broadcasting System's channel, including content on everything that makes PBS a relevant voice in media. The Public Broadcasting System isn't just for Antiques Roadshow and Masterpiece Theatre anymore. Their YouTube channel is stocked with two main features: the pop-culture infused Idea Channel and the technology and art video collection of Off Book. There are also several PBS sister channels, with subjects ranging from parenting to news updates.
	TEDTalks TedTalks shares the best ideas from the TED Conference with the world for free: trusted voices and convention-breaking mavericks, icons and geniuses, all giving the talk of their lives in 18 minutes. It's always a treat to hear an expert speak about what they're passionate about. The immensely popular TEDTalks offer a range of talks from everything to social media to radical architecture to comedy. TED (standing for Technology, Entertainment, and Design) has featured noted speakers such as Al Gore, Jane Goodall, and Bill Gates.
	Artists Space  Artists Space is a lively place for discussion and critical examination, proposing new modes of production, setting new relations into play, and shifting its focus away from the presentation of works alone. Founded in 1972, Artists Space showcases groundbreaking performances and symposiums about the economics, needs, and practicalities of being an artist. Their channel makes these works and events available to a larger audience that may not have opportunities to view and engage with discussions about the state of the arts in America.
	Mashable  With more than 23 million monthly unique visitors and 6 million social media followers, Mashable is the world's largest independent website dedicated to news, information and resources for the connected generation. It's no doubt that Mashable is incredibly popular, especially with social media practitioners and professionals. The Mashable YouTube channel evangelizes everything about media, communication, and devices to the world, and everyone is definitely listening.
	The Real News  The Real News Network is a global online video news network that listens to and is dependent on its audience. No ads. No government subsidies, no corporate sponsorship. Unbiased and unafraid, Real News promotes themselves on their independent journalism. With the global events shown on their channel, Real News is a resource for those looking for worldwide news coverage without an agenda.
	San Francisco Zoo The mission of the San Francisco Zoo is to connect people with wildlife, inspire caring for nature and advance conservation action. Get your animal fix from the very polished channel of the San Francisco Zoo. Learn about how the zoo functions behind the scenes and their conservation efforts, and don't miss the video of the tiger cubs!

Do you have a favorite Youtube channel that needs to be added to this list? Let us know in the comments!