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Society is in a digital age, so if you want to attract attention, you need to be an active part of the digital world. You should have a website or blog, at the very least, as well as various social media accounts.  Sign up on every social network you can think of, but focus on the main ones including Facebook and Twitter. Linkedin is good for professional purposes, and Instagram can be a great way to share sample photographs. Regularly update your blog and other social media accounts. Make sure that you support and interact with other artists whose work you appreciate. Building good relationships with other photographers will help you more than hurt you. These people might be your competition, but they can inspire you, give you advice, and send clients your way if they lack the time or the specialized knowledge. Instead of seeking out a few individuals within the industry, look for online communities of photographers. If you only have one or two contacts within the industry, your connection gets cut off as soon as your contacts get too busy to keep in touch. Before someone hires you to photograph an event or a subject, that person will want proof that you are a good photographer. A portfolio will provide potential clients with the proof they need. A portfolio should consist mostly of photographs that represent the work you want to specialize in. For instance, if you want to specialize in family and personal portraits, your portfolio should not consist of pages upon pages of food photography. Aside from online advertisements, you should also consider using various forms of traditional print advertisement. At the very least, you should design and print up business cards that you can pass along to potential clients as you meet them. Aside from business cards, you can also place ads in newspapers or print up fliers. As with many small businesses, one of the best ways to get the word out is simply by asking the people you know to help you spread it. Be prepared to do a few sessions for free, too, just to build up experience and a reputation for fine work. Word of mouth goes much further if someone unrelated to you can praise your work to other potential clients.
Make use of social networking and online advertising. Network with other photographers. Build a portfolio. Use print advertisements, as well. Rely on word of mouth.