Charities Raise Money the Old-Fashioned Way - Yahoo! News: "he firemen's benevolent association phones for a donation, but you have caller ID and don't pick up. It's public TV fundraising time, so you switch the channel or fast-forward through the appeals.
A handful of charities aren't ready to let you escape that easily. They are trying something called 'face-to-face' or 'street fundraising,' trolling city streets and taking credit card information from donors on the spot."