www.wikihow.com/Change-Your-Twitter-Username

Have you outgrown your clichéd, dated Twitter handle? Luckily, changing your Twitter Username is easy as pie. Simply access your account's personal settings menu and type your new username in — that's it. Soon, you'll be tweeting under you ...

support.twitter.com/articles/14609#

Follow these steps to change your Twitter username.

socialnetworking.lovetoknow.com/Choosing_a_Name_on_Twitter

Are you having a tough time choosing a name on Twitter? Never fear - below you will find lots of information on how to select a name that represents you or your business.

help.yahoo.com/kb/create-extra-email-address-sln3290.html

Learn how to create, use, and delete extra Yahoo Mail addresses.

help.yahoo.com/kb/SLN2.html

No. Learn how to create an alias or extra email address on Yahoo.

uk.answers.yahoo.com/question/index?qid=20090416015900AA1AcH...

For security reasons yahoo do not allow you to change your email address you need to open a new account to get a different address, but you can create a extra yahoo email address within your present account to do so use this link.

help.yahoo.com/kb/SLN3240.html

Keep your personal information private by using an alias for your Yahoo ID. By creating an alias, which masks your ID, you can communicate online without having to worry about exposing too much personal information.

www.windowscentral.com/microsoft-makes-it-easier-switch-outl...

Microsoft has published a new post on the official Outlook blog, detailing some upcoming changes to the service that make it even easier to switch from Gmail. It's no secret that many consumers have switched from Google's email service to Outlook.com a ...

blogs.office.com/2013/08/21/a-better-way-to-manage-aliases-a...

As we’ve talked about before, we’re focused on delivering connected devices and services to you, our customers. And Microsoft account makes your experiences on devices and services more personal and relevant. When you sign in to any device ...

answers.microsoft.com/en-us/outlook_com/forum/oemail-osend/c...

I added an alias in Outlook.com account, but I'd rather have this alias as my primary account. Is it possible to make the change?

support.google.com/accounts/answer/3024190?hl=en&rd=1

You can download the data associated with your Google Account so that you can use it in another service or keep a copy for your records. You can request this info using the “Download your Data” tool. Here’s how:

www.youtube.com/watch?v=aZThPQcpfos

This video describes the basics for how to use Google Takeout to create a backup (archive) of your Google account.