While Twitter may have started off as a place for the vapid to share daily minutia, it's evolved into a great place to have online conversations (though truncated), to see what your friends, family, colleagues and peers are sharing and also; it's an ideal way for businesses to reach out, contribute to the conversation and get its core values and value proposition out there. Jay Goldman takes a look at HootSuite, an ideal way to

share a Twitter account between multiple users

, to avoid redundancy and to avoid getting locked out when

using Twitter in business

.

Twitter's API allows application developers to interface directly with Twitter. This means you can get free and paid Twitter clients for just about every smartphone platform as well as just about any computer operating system as well as many more apps and add-ons. Jay Goldman runs through a few of his

favorite Twitter tools

and offers some words of wisdom to

ensure your Twitter account remains secure

.

Sometimes, less is more. Gmail apparently understands this. If you've ever tried to send an email where everything that needed saying was said right in the subject line, you'll appreciate this

Gmail power user tip

. Michael "Doctor File Finder" Callahan demonstrates.

After you've used Gmail for a little while, you'll see why it's so valuable to never have to delete an email. However, you'll also realize that without a solid organization strategy, it doesn't take long before you're suffering from

inbox overload

. Michael "Doctor File Finder" Callahan takes a look at an easy way to search your Gmail inbox using advanced search operators that let you find exactly what you're looking for.

Gmail lets you cut down on

repetitive email tasks

by giving you an easy way to

send canned responses in Gmail

. Michael "Doctor File Finder" Callahan explains.

If you want to be a true Gmail master, you'll need to master

Gmail keyboard shortcuts

. Michael "Doctor File Finder" Callahan runs through some of

the most useful Gmail keyboard shortcuts

and how to use them.

Jay Goldman offers up his top five favorite iPhone power user tips to save time, finger strokes and hassle. From a way to instantly scroll to the top of a long web page to an easy way to bring up your iPod controls without exiting your current application, Mr. Mobile delivers.

Mr. Mobile keeps up the BlackBerry love with a look at some BlackBerry power user tips. Jay gives us five of his favorite tips for getting more out of your RIM mobile. From getting rid of BlackBerry apps you don't use to creating keyboard shortcuts and even getting rid of that annoying blinking LED, Jay Goldman has you covered.

Become a Gmail power user with class 301 in our Gmail video tutorial series. Gmail is a powerful, free email inbox. As you use Gmail, you'll realize there are more and more

cool features in Gmail

to discover. From

Gmail keyboard shortcuts

and

Gmail power searching

to canned responses and creating custom-filtered virtual Gmail addresses within your Gmail account.