Google+ has some interesting options for

sharing posts and media

with your Google+ contacts. For one, you can easily share things with members of one particular circle. For another, you can just as easily disable commenting and resharing. Another great

feature of Google+

is the ability to create your own hangout to

video chat

with multiple friends or colleagues.

In the first part of our top ten Android apps for smartphones, we run through numbers 10 through six. We've got a great social game, a better way to SMS, a way to keep your grocery list in sync and more.
We're also taking a close look at the Sonos S5 wireless music system and the Android app that controls it.

Cheryl finds CamTwist, a free Mac program that lets you turn your web cam output into just about anything you can imagine. Make it snow, trap yourself in a 3D box, mirror the image, squeeze, pinch, fisheye... even bullet-time and other movie effects are present and accounted for.

Cheryl Poirier, AKA Miss Download, finds a way to make her webcam chats more interesting. WebcamMax software lets you change up your webcam video with neat effects, adornments like hats, glasses, wigs and so on. In the free version, Miss D whets her appetite for silly webcam effects; by dropping $50 on the full version of the software, she'll unlock literally thousands of new effects and add ons.

Video calling over cellular is not new. However, among the

improvements in the iPhone 4

is the front facing camera and the availability of

video chat with FaceTime

. Sean Carruthers takes a look at this new feature in the ninth episode of our

how to use the iPhone 4

series.

You already know that you can use Gmail to send emails. If you've been keeping up with our earlier tutorials, you'll also know that you can use Gmail to

chat with other Gmail users

. Now we'll show you

how to use Gmail video chat

to talk to any of your friends who are online! You'll be able to see who's online and who has a webcam, and you'll be able to

start a chat

whenever you want.

In the past we've walked you through a wide variety of ways you can

maximize your Gmail experience

. In Gmail 101 we showed you some of the beginner level functions and the basics of what Gmail is about. In Gmail 201 we showed you some of the intermediate techniques to

improve your Gmail usage

. In Gmail 301 we showed you some more

advanced Gmail tricks

. Now, in Gmail 401: Graduate Studies, we'll show you even more Gmail functions that will definitely move you closer to being a Gmail ninja!