Burlington, Mass. - Burst Media, a provider of online advertising services and technology, announced on Tuesday the launch of a new online advertising network aimed at independent websites. The network -- called Burst Trendsetters Network -- will focus on brand advertisers who want to reach 15-34 year olds online. Burst Media said its network includes 100 websites that reach 7 million unique visitors and delivers more than 51 million web impressions per month.