Please choose the correct ending to complete the given sentence: Computers and Electronics: [header] How to add a screencast to twitter [title] Click on the " screenr " website provided to you in the sources section below this article. [title] Click on the twitter logo located in the upper-right corner of screenr. [step] A pop-up window will display prompting you to choose from a list of social network accounts to use with screenr.

Ending1: [title] Select the option to sign in to your twitter account. [step] A twitter window will display in your browser asking you whether you want to allow screenr to use your twitter account for creating and sharing screencasts. Ending2: The ones you select will contain screenr links to reduce and build your new profile (s). [substeps] A screencast link is available for social networking accounts directly from twitter.com, as well as to a host of a variety of other social networks. Ending3: [title] Select the account you wish to cast your screencast for. [step] Group your profiles as you typically would. Ending4: [substeps] Click on the free networks homepage for a list of social networks that are not currently actively active. [title] Find a moderately active twitter account on the list provided and click " log in " to access the account details page.

Answer format: ending1/ending2/ending3/ending4