By HARRY GRUBER The philanthropic playing field has become increasingly competitive, and many nonprofits struggle to earn their fair share of charitable giving. Instead of just soliciting donors, today's savvy organizations partner with them to generate gifts and, ideally, lifelong giving. Smoothing the playing field requires an ongoing affinity between the donor and the cause. This type of experience escalates an individual from basic involvement to having a strong emotional connection that results in taking action to provide financial or volunteer support. The Internet increasingly has become a powerful tool to harness that connection and empower your organization, allowing it to provide instant