Bristwestival is a fundraising event that takes place in Bristol and raises money for The Rainbow Centre, which provides support to children affected by bereavement, illness, and cancer. The document analyzes data on mentions of Bristwestival on Twitter and other social media from 2009 to 2011, finding that mentions increased from 49 to over 3,000 during that period, with most occurring on Twitter. It also announces Bristwestival 2011 will be held on March 24 at Metropolis in Bristol.