0001047469-01-000561 SC 13G/A 3 20010214 ABOUT COM INC 0001075314 7373 134034015 DE SC 13G/A 34 005-57135 1543929 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 6798 SC 13G/A 865 SOUTH FIGUEROA ST LOS ANGELES CA 90017 865 SOUTH FIGUEROA STREET LOS ANGELES CA 90017 SC 13G/A 1 0001.txt SCHEDULE 13G/A EX-99.A 2 0002.txt RELEVANT SUBSIDIARIES OF PARENT HOLDING COMPANY EX-99.B 3 0003.txt JOINT FILING AGREEMENT