Stay relevant with positive sentiments to attract new followers and increase engagement. Even though Twitter isn't growing as it once was, it is still a viable platform which your business needs to be on. However it shouldn't just be reposts of the stuff you put on Instagram and Facebook. It should be unique.
For three months, I worked on increasing Vitarock's impressions from 2884 a month to 22,600 and moving their engagement from 0.1% to an average of 1.6%.