Social media 2004, Yahoo! 360° in March 2005, Bebo in July 2005, Twitter in July 2006, Tumblr in February 2007, and Google+ in July 2011. As operating systems with a graphical user interface, such as Windows 95 and Mac OS begin to emerge and gain popularity, this created an environment that allows for early social media platforms to thrive and exist. The variety of evolving stand-alone and built-in social media services makes it challenging to define them. However, marketing and social media experts broadly agree that social media includes the following 13 types of social media: blogs, business networks, collaborative projects, enterprise
Evan James Williams the newly formed Operational Research Section at the Admiralty's Coastal Command where he worked for several more years devising more effective methods of dealing with German submarines. Williams died of cancer in September 1945 at his parents' home in Brynawel, Carmarthenshire, at the age of 42 after an 18-month illness. He was buried at Capel y Cwm, Cwmsychbant. His obituary for the Royal Society was written by Blackett, who also broadcast a radio appreciation of Williams in 1949, in which he said: In 1971 John Tysul Jones published a collection of articles about Williams. Evan James Williams Evan James Williams