2008–2012: Online beginnings and corporate recognition Before the start of his YouTube career, Cassell uploaded commentary videos on various channels for three years. In October 2012,
Eurogamer reported that Cassell had attracted the attention
Call of Duty publisher
Activision during a 2011
GameCity convention. At the convention, Cassell drew video game journalists' attention to the
YouTube gaming community and said that endorsement from a prominent company "is the best thing ever". Kevin Dowling of
The Sunday Times recognized him as the UK's most popular gamer and estimated that he earned £700,000 a year, or £60,000 a month. Dowling said that the engagement Cassell attracted was "because he led [an exciting life] beyond his gaming videos".
2013–present: Vlogging ventures and advertising violations Cassell co-founded the entertainment company 3BlackDot with YouTubers
Evan Fong and
Adam Montoya in 2013, along with former Machinima executives Angelo Pullen and Luke Stepleton. Cassell reached one billion views on his gaming channel in late 2013. Rob Waugh of
Yahoo! News commented on Cassell's viewership as having "more viewers than hit TV shows such as
EastEnders". In January 2014, Cassell's gaming channel reached 6.7 million subscribers. He began to vlog on his "Life of Tom" channel between his residences in Los Angeles and the UK, the start of which he began to receive
sponsorships. Cassell's Twitch channel became the first to reach one million followers on 17 August, before
Riot Games passed the milestone. On Twitch, Cassell reached 120,000 concurrent viewers on a
Call of Duty livestream on 24 August. In November, Cassell signed to 3BlackDot's MCN Jetpak as the service went live for a better payment model.
Gamasutra later reported that Cassell uploaded Let's Play videos of 3BlackDot's game
Dead Realm, In November 2015, his gaming channel was nearly at 10 million subscribers.
Wired estimated Cassell's earnings to be a year. Cassell attracted media attention in July 2016 when he promoted the
skin gambling website
CSGO Lotto along with Trevor Martin without disclosing a
conflict of interest as vice-president of the company, in conflict with FTC regulations. In his videos promoting the site, Cassell had disclosed the endorsements in their descriptions and responded that he would be more transparent about these disclosures in the future. The FTC later reached a
settlement agreement with Martin and Cassell in September 2017 for disclosing their legal relations and sponsorship deals with companies. There were no financial charges held against Cassell. In 2016, Cassell's gaming and vlogging channel reached 10 and 2 million subscribers respectively, and in August 2018, his Twitch channel accumulated 2.6 million followers. Throughout his vlogging career, Cassell had travelled to
Abu Dhabi and the
Acropolis of Athens, and received further recognition for his livestreams, as
Insider ranked Cassell as the 7th most popular Twitch streamer worldwide. ==Content==