Delineates a half dozen ways that retail investors can utilize online resources and services to improve investing practice, mainly idea generation. The success of financial bloggers has spawned businesses that enable retailers to piggyback, or ‘commune’, with pros. Simultaneously, one can crowdsource, scavenge chat boards, or leverage growing amounts of online data to qualify investment theses. While several chapters evaluate au courant vendors, the conclusion is further reaching in predicting online brokers will become platforms for service vendors (i.e., app stores), content providers will become virtual asset managers, and RIAs will gain ground on wirehouse brokers. But how will the latter (i.e., asset managers) respond?