iTUNES

iTunes lets you enjoy all your music, movies, video, and TV shows on your Mac or PC. When you want to watch or listen to something, you no longer have to look through your CDs or flip through channels — just go to your computer and open iTunes. With your entire media collection in your iTunes library, you can browse everything faster, organize it all easier, and play anything whenever the mood strikes.

Everything in one place.
When you download music and video from iTunes, it’s immediately added to your iTunes library. There you can view your media collection any way you like. To find something specific, type the title or artist’s name in the search field and iTunes quickly reveals results as you type. In your library, anything you want to watch or hear is only a click away.
The art of browsing.
You’ll enjoy the album art in your music collection even more in iTunes. Use Cover Flow to flip through your digital music. Grid View lets you browse all your music, movies, and TV shows by their cover art. With Cover Flow and Grid View, you’ll quickly find exactly what you want to hear and watch.

Organize
Good-bye, CDs. Hello, digital.
Import your CD collection to iTunes, and listen to your music in new and better ways. Just pop a CD into your computer. If you’re online, iTunes automatically finds the album, artist, and song names. You can even choose to download cover art. And just like that, iTunes converts your music to a digital format. So long, CD clutter. Welcome to the digital world.

Make your own soundtrack.
Go digital, and you can do more with your music. Like create perfect music playlists. Just drag songs into a playlist, choose the play order, and let it roll. Make one playlist to get a party started. One for the gym. And another for just chilling out.

Home Sharing.
Now entertainment runs in the family. With Home Sharing, you can share music, movies, TV shows, and more among computers in your home. Browse iTunes libraries on up to five authorized computers on your home network and import whatever you like. You can also automatically import new purchases made on any of the computers.

Play
iTunes is the world’s greatest entertainment center. It’s where you go to hear your music, watch movies and TV shows, and listen to a podcast, an audiobook, or a lecture on iTunes U. And it’s all just a click away.
iTunes LP.
When you download select albums, you’ll experience a beautifully designed, interactive world right in your iTunes library on your Mac or PC. While you listen to your favorite songs, dive into the lyrics and liner notes, view photos, watch videos, and enjoy other bonus materials. Many are even created by the artists.
iTunes Extras.
Buy select movies and discover iTunes Extras — a world of special features you can experience right in your iTunes library. Watch interviews and trailers, view photos, and more on your Mac or PC.
Shuffle your songs.
Whatever happens, happens. That’s the shuffle philosophy. When you don’t know which music you want to listen to, let shuffle take over. The play order is refreshingly random, and you’ll be surprised by what you hear.

visitor counter

This is the project on the visitor counter on regarding the integrated digital electronics .
this is the programme basically based on the fact that the light dependent resistance is get blocked then the led is get onto off and the buzzer is on.i.e when the person get introduced into the room then the buzzer is on indicating the entrance of the person.
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APP OPVERLAP

Because the App Store is such a big ecosystem, it's inevitable that there are redundant applications. Some categories see more overlap than others, but in general it's common to find multiple apps that do the same thing.
Functionality:

The most basic and most obvious reason for an app to be more expensive is that it can flat-out do more. A casual Twitter user might be happy using Echofon for free, but if you need support for multiple accounts and the cleanest UI around, you're going to be happy coughing up three bucks for Tweetie 2. Make sure to read up on the full feature set of what you're buying. If you're about to pay for something with more firepower than you need, there's likely a free (or cheaper) version that'll suit your purposes. The paid app will still be there if you decide you need more functionality down the road.
Ad Support:

Often, and particularly with casual games, the only difference between the free and paid versions of an app is whether you'll be saddled with advertisements as you use it. It really depends on your threshold: is it worth three dollars to play Words With Friends unfettered, or are you willing to endure the between-turn sales pitches that accompany Words With Friends Free? Each app integrates ads differently, so it's worth trying out the free version first. Too many banners cluttering your screen? You're only a click away from an upgrade.
Ripoffs:

It might be helpful to think of the App Store as a giant, unruly bazaar, with thousands of vendors peddling their wares. There's some oversight when things get out of hand, but even the $999 "I Am Rich" app was downloaded eight times before it got shut down. Like in any sales environment, it's important to remember that what something costs usually has very little to do with what it's worth. Don't just go by the star system; read through the reviews to make sure that the app lives up to the developer's description.

APP OPVERLAP

Because the App Store is such a big ecosystem, it's inevitable that there are redundant applications. Some categories see more overlap than others, but in general it's common to find multiple apps that do the same thing.
Functionality:

The most basic and most obvious reason for an app to be more expensive is that it can flat-out do more. A casual Twitter user might be happy using Echofon for free, but if you need support for multiple accounts and the cleanest UI around, you're going to be happy coughing up three bucks for Tweetie 2. Make sure to read up on the full feature set of what you're buying. If you're about to pay for something with more firepower than you need, there's likely a free (or cheaper) version that'll suit your purposes. The paid app will still be there if you decide you need more functionality down the road.
Ad Support:

Often, and particularly with casual games, the only difference between the free and paid versions of an app is whether you'll be saddled with advertisements as you use it. It really depends on your threshold: is it worth three dollars to play Words With Friends unfettered, or are you willing to endure the between-turn sales pitches that accompany Words With Friends Free? Each app integrates ads differently, so it's worth trying out the free version first. Too many banners cluttering your screen? You're only a click away from an upgrade.
Ripoffs:

It might be helpful to think of the App Store as a giant, unruly bazaar, with thousands of vendors peddling their wares. There's some oversight when things get out of hand, but even the $999 "I Am Rich" app was downloaded eight times before it got shut down. Like in any sales environment, it's important to remember that what something costs usually has very little to do with what it's worth. Don't just go by the star system; read through the reviews to make sure that the app lives up to the developer's description.

SECOND LIFE

Second Life (SL) is a virtual world developed by Linden Lab that launched on June 23, 2003 and is accessible via the Internet. A free client program called the Second Life Viewer enables its users, called Residents, to interact with each other through avatars. Residents can explore, meet other residents, socialize, participate in individual and group activities, and create and trade virtual property and services with one another, or travel throughout the world (which residents refer to as "the grid"). Second Life is for people aged 18 and over, while Teen Second Life is for people aged 13 to 17.
Built into the software is a three-dimensional modeling tool based around simple geometric shapes that allows a resident to build virtual objects. This can be used in combination with the Linden Scripting Language which can be used to add functionality to objects. More complex three-dimensional sculpted prims (colloquially known as sculpties), textures for clothing or other objects, and animations and gestures can be created using external software. The Second Life Terms of Service ensure that users retain copyright for any content they create, and the server and client provide simple digital rights management functions.