French fraud watchdogs are investigating potential abusive clauses in the terms and conditions applicable for users of Twitter Inc., WhatsApp, Alphabet Inc.’s Google + and Snap Inc.’s Snapchat. Facebook Inc. was the first social platform to come under scrutiny but the Menlo Park, California-based company amended its user terms in December after the watchdogs identified several issues, Nathalie Homobono, who heads the French fraud office, known as DGCCRF, told journalists in Paris Thursday.