. for software they produce see slack software . slack technologies type startup founded vancouver canada 2009 1 headquarters san francisco california u.s. 2 area served worldwide founder s stewart butterfield eric costello cal henderson serguei mourachov 3 industry internet 2 formerly video game 4 products slack revenue 64 million 2016 5 employees 430 q1 2016 6 slogan s we re on a mission to make your working life simpler more pleasant and more productive . 7 website www.slack.com alexa rank 363 june 2016 update 8 type of site collaborative software 2 registration required users 2.7 million 6 available in multilingual current status active slack technologies inc. originally tiny speck is a computer software startup founded in 2009 in vancouver british columbia canada . the core team is largely drawn from the founders of ludicorp the company that created flickr . 9 slack is the fastest company to receive a billion dollar valuation . 10 outside its headquarters in san francisco california slack operates offices in dublin vancouver and toronto . contents 1 history 1.1 initial funding and glitch 1.2 slack and further funding 2 references 3 external links history edit initial funding and glitch edit tiny speck received angel funding of 1.5 million in 2009 11 followed by series a funding of 5 million in 2010 from accel partners and andreessen horowitz . 12 a series b round of 10.7 million was raised in 2011 . 13 tiny speck s first product was a computer game called glitch a social mmorpg with highly stylized 2d graphics in which players must learn how to find and grow resources identify and build community and at the higher levels of the game proselytize to those around them . 14 originally scheduled for release in spring 2011 15 glitch launched on september 27 2011 16 17 but subsequently unlaunched to improve gameplay . 18 in november 2012 it was announced that glitch would be closed effective december 9 2012 . 4 slack and further funding edit after the closure of glitch the company launched the slack real time collaboration app and platform raising 17 million in funding from andreessen horowitz accel partners and the social capital partnership . 19 after the launch of slack the company renamed itself to slack technologies . 20 21 the company raised 42.75 million in april 2014 . 22 in october 2014 the company raised 120 million in venture capital with a 1.2 billion valuation led by kleiner perkins caufield & byers and google ventures . 23 in march 2015 slack signed a deal with investors to raise up to 160 million in a funding round that valued the company at 2.76 billion . new investors include institutional venture partners horizons ventures index ventures and dst global . 24 in april 2015 the company raised another 160 million . 25 references edit tiny speck finds more than a glitch and closes game for good . techvibes . retrieved 2015 04 19 . a b c crunchbase slack technologies . crunchbase . retrieved 2015 04 19 . slack s co founders take home the crunchie for founder of the year . techcrunch . retrieved 2015 04 19 . a b a sad announcement from tiny speck . retrieved 2012 11 17 . erik sherman 3 november 2014 . here s why year old startup slack has a 1.1 billion valuation . inc. retrieved 15 april 2015 . a b roof katie ; constine josh 1 april 2016 . slack is work chat s runaway train raises 200m at 3.8 b . techcrunch . aol inc. retrieved 7 april 2016 . slack . slack . retrieved 2015 04 19 . slack.com site info . alexa internet . retrieved 2016 06 08 . kara swisher . flickr co founder butterfield talks about his new game startup glitch . allthingsd . retrieved 2010 09 17 . kim eugene 15 august 2015 . the 14 fastest unicorns to reach 1 billion . business insider . business insider inc. archived from the original on 15 august 2015 . retrieved 15 august 2015 . slack is the fastest growing enterprise software ever mathew ingram . q & a with stewart butterfield on the launch of glitch . gigaom . retrieved 2010 09 17 . om malik . stewart butterfield s tiny speck raises 5 million from vcs . gigaom . retrieved 2010 09 17 . http www.crunchbase.com company tiny speck daniel terdiman . in depth with tiny speck s glitch . cnet . retrieved 2010 09 17 . tiny speck crunchbase profile . techcrunch . retrieved 2010 09 17 . a flickr founder s glitch can a game that wants you to play nice be a blockbuster . fast company . 2011 09 27 . retrieved 2011 09 30 . vancouver s tiny speck puts massively multiplayer game glitch online . vancouver sun . 2011 09 27 . retrieved 2011 09 30 . glitch unlaunches to add new features massively . retrieved 2011 12 02 . http allthingsd.com 20130814 flickr co founder stewart butterfield turns to workplace communication tools with slack tiny speck is now slack . retrieved 9 april 2015 . https slack.com privacy policy ingrid lunden 25 april 2014 . slack stewart butterfield s collaboration software startup has raised 42.75 m . techcrunch . retrieved 28 january 2015 . alex hern 3 november 2014 . why slack is worth 1bn it s trying to change how we work . the guardian . retrieved 28 january 2015 . macmillan douglas . slack s valuation more than doubles to 2.8 billion in five months . wall street journal . retrieved 28 march 2015 . ingrid lunden 15 april 2015 . used daily by 750k workers slack raises 160m valuing collaboration startup at 2.8 b . techcrunch . retrieved 15 april 2015 . external links edit official website retrieved from https en.wikipedia.org w index.php title slack technologies & oldid 743699984 categories video game development companiescompanies established in 2009companies based in san franciscointernet properties established in 2009defunct video game companieshidden categories articles containing potentially dated statements from june 2016all articles containing potentially dated statements navigation menu personal tools not logged intalkcontributionscreate accountlog in namespaces article talk variants views read edit view history more search navigation main pagecontentsfeatured contentcurrent eventsrandom articledonate to wikipediawikipedia store interaction helpabout wikipediacommunity portalrecent changescontact page tools what links hererelated changesupload filespecial pagespermanent linkpage informationwikidata itemcite this page print export create a bookdownload as pdfprintable version languages add links this page was last modified on 10 october 2016 at 19 46 . text is available under the creative commons attribution sharealike license ; 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