The Wall Street Journal reports that many of San Francisco's homeless are savvy at finding ways to go online regularly. Shelter attendants say the number of overnight visitors with laptops is growing, and SF Homeless, a two-year-old Internet forum, has 140 members. As noted, many job and housing applications must be submitted online, and some homeless advocates say the economic downturn is pushing more of the wired middle class on to the streets. more ›