Please choose the correct ending to complete the given sentence: Computers and Electronics: [header] How to use twitter as an effective marketing and smo tool [title] Create a twitter business account. [step] The first step to twitter optimization is creating a new business account with twitter. Customize your twitter account with your website or business logo and design.

Ending1: [substeps] For an example, you might use the @@twitnips greeting shell to create a twitter business account. It is up to you whether you actually use the business name to create an account. Ending2: [substeps] Create a url that is relevant to your business. Rewrite the url so that it stands out against all of the text and information in your twitter website. Ending3: [title] Create a clear and luring profile page and completely fill all the required details. [step] Twitter offers ready made templates which you may use to enhance the appearance of your twitter page. Ending4: From there, focus on your marketing & smo theme. [title] Develop a marketing theme in your twitter business.

Answer format: ending1/ending2/ending3/ending4