When the Founding Fathers ratified life, liberty and happiness, they might not have quite envisioned Independents Hall. Low-pitched techno music echoes from the high ceilings of a loft-like office on Philadelphia's Strawberry Street. A smattering of 20-something guys (and occasionally women) sit intent at laptops resting on black-and-silver Ikea tables, occasionally stopping for a smoke, or to share info about software or gear. Under a side table, a box of Transformers action figures awaits a fidgety moment. Upstairs, sofas and a shower anticipate a late-night crash. Just blocks away from its famous namesake, Independents Hall is one of more than a dozen new "coworking" spaces that have popped up around the country in recent months. For $25 a day (or $175 a month for a three day a week commitment), you can drop into the space, use the wireless, meet with clients in the small glassed-in conference room, and, often, find folks to grab a drink with afterward. The feel is part dorm lounge...