0001047469-00-000499 SC 13G 3 20000214 ABOUT COM INC 0001075314 7373 134034015 DE SC 13G 34 005-57135 543128 220 E 42ND ST 24TH FL NEW YORK NY 10017 2128492000 220 E 42ND ST 24TH FL NEW YORK NY 10017 MININGCO COM INC 19981215 TCW GROUP INC 0000850401 SC 13G 865 SOUTH FIGUEROA ST LOS ANGELES CA 90017 865 SOUTH FIGUEROA STREET LOS ANGELES CA 90017 SC 13G 1 000104746900000499-001-seq1-sc-13g.txt SCHEDULE 13G EX-99.A 2 000104746900000499-002-seq2-ex-99-a.txt SUBSIDIARIES OF HOLDING COMPANY EX-99.B 3 000104746900000499-003-seq3-ex-99-b.txt JOINT FILING AGREEMENT