The ________ feature fills in the remaining characters of a word if what is typed matches an existing entry in the column

A ________ triangle in the upper left corner of a cell indicates that the formula in the cell is suspect for some reason and could be a potential error

A) blue B) red C) orange D) green

Biz Stone and Evan Williams started ____________________ as a way for people in their office to keep in touch with each other by exchanging short messages about what they were doing.

Fill in the blank(s) with the appropriate word(s).