Tony Nicklinson can only communicate with his eyes, but on Wednesday the paralyzed man connected with the rest of the world through Twitter.

Nicklinson became completely paralyzed after a stroke in 2005 and suffers from locked-in syndrome, a condition in which patients can "think and reason" but don't have any control over voluntary muscles except "those that control blinking and vertical eye movements, according to a 2009 article published in the journal Nursing.