Twitter launched the hashtag into modern social consciousness, with the construction now used on Facebook, Google+, Vine, and Pinterest, and considered a natural part of everyday discourse.

In fact, 75% of people on social media use hashtags.

But how, as a digital marketer, social advertiser, or community manager, do you decide what hashtag to use to power your Twitter campaign?

Inspired by the social and innovation agency London Strategy Unit, Twitter’s Head of Planning Oli Snoddy created the following infographic guide to selecting a hashtag for your Twitter campaign.

Click to enlarge:

(Source: Twitter Advertising. Hashtag image via Shutterstock.)