Geofenced sharing, Quiz stickers, Stories Highlight stickers, and a separate interface for adding hashtags to posts are amongst a slew of new features Instagram has prototyped or is now testing. The last one could finally #cure #the #hashtag #madness that’s infected many of Instagram’s 1 billion users, causing them desperately fill up their captions with tagged words that make the feed tough to read in hopes of scoring a few extra views or followers. The pace of iteration at Instagram is staggering, and helping it to leave Snapchat in the dust.