'90s tooth gems are coming back because Instagram trends are out of control Ifeadi C. 07:13 Mashable, Zero Tech Blog Share this Share on FacebookTweet on TwitterPlus on Google+ Related PostsPsychologists devise clever trick to make us eat more veggiesYes, Carrie Fisher would have wanted us to know about the drugsDepartment of Defense still uses 8-inch floppy disks and other disturbing details from Jared Kushner's speechTiger Woods tweets he's getting 'professional help' for pain meds after DUITim Cook's barf face at Trump's big tech meeting says it allAustralians have the best foul mouths, and these dash cam reactions prove it