Law firms are finally catching on to the social media craze after years of reluctance that saw companies in other industries strengthen their brands online. A My Case study found that 57 percent of law firms now maintain a LinkedIn presence, 35 percent are on Facebook and 21 percent are using Twitter.

But what about Instagram? Turns out the app wasn’t even included in the survey, begging the question: why are law firms off the map when it comes to social media’s fastest-growing platform?