Please choose the correct ending to complete the given sentence: Computers and Electronics: [header] How to use twitter to grow a business [title] Set up a twitter account. [step] You should have separate accounts for different markets or businesses. Use your brand name or keyword for the market in your twitter account.

Ending1: You could also set up an attractive website or blog. [substeps] You might have followers who want to grow a business. Ending2: [title] Get your business's ip address. [step] If you don't use your business' ip address, you will need to install a personal login id on your twitter account. Ending3: Be sure to avoid using your sign-up name or brand name because this can lead to confusion. [substeps] You also want to avoid emails that have small advertisements in it. Ending4: [title] Have a customized background of your logo or brand to add professionalism to your twitter account. [step] It's best to keep consistent branding as your company website [title] Provide valuable relevant content in your posts that attract the problems and needs of your target market.

Answer format: ending1/ending2/ending3/ending4