Besides Facebook, here is a list of Social Media sites that can be accessed via your mobile phone.
via SocialMediaTrader
Hobnobster
Hobnobster is a web and mobile relationship service where singles can search and communicate with quality singles online and mobile.
Zyb.com
ZYB is an easy way to store your phone’s contacts, pictures, text messages and calendar events online. ZYB also lets you connect with people you know and makes sure you always have their updated contact details on your phone. As most of your real life friends are already on your phone, ZYB gives some additional social features like photo tagging and content sharing with the people you know.
mig33.com
Get mig33 and you’ll be connected to people around the world. IM, visit chat rooms, send email, share photos, SMS and, of course, make cheap calls.
MeetMoi
MeetMoi is a safe and easy dating service for meeting people near you. Using groundbreaking technology, MeetMoi looks for people around your location and lets you browse pictures, send messages, and connect with members, all from your cell phone. Since MeetMoi values safety above everything, no one’s actual location is ever revealed.
BrightKite.com
See where your friends are and what they’re up to, in real time.
Zingku.com
Supercharged mobile txt and picture messaging for you & your friends.
JuiceCaster.com
JuiceCaster lets you meet new people, connect with friends and share your photos and videos directly from your mobile phone. Instantly post videos and pictures to your Myspace, Facebook and other sites.
Rabble.com
Rabble is a location based social networking application you download to your mobile device. With Rabble, you can combine all the things you love doing on the web into an easy to use application for your phone.
Wadja.com
Wadja is a mobile web, media and social messaging service, managing your communication and interaction from trusted sources (friends, family and address book contacts).
Treemo.com
Treemo is a online and mobile community dedicated to sharing digital media, empowering self-expression, and transforming creativity into action. By offering an ever-evolving gallery of video, audio, photography, words, and visual art, Treemo inspires visitors to create their own digital expressions, and to share those creations with the world – on the web and on mobile phones.
Veeker.com
Veeker is Video and Picture Messaging for Phone and Web.
NowThen.com
Welcome to NowThen, the new way to capture the pulse of your life in mobile photos. Snap, share, and store your moments for free.
groovr.com
The groovr goal is to help people stay connected, not just online, but out in life too. We want our users to move seamlessly from laptop to mobile phone to meeting new friends in new places.
3jam.com
3jam introduces SMS 2.0 a new way to text message with your friends.
flagr.com
Share cool places from online or right from your mobile phone!
Socialight.com
Socialight lets you create, share and discover virtual Sticky Notes stuck to actual places all around you. Sounds simple right? It is! It’s also very powerful…
Twitter.com
Twitter is a service for friends, family, and co–workers to communicate and stay connected through the exchange of quick, frequent answers to one simple question: What are you doing?
Zannel
Zannel is about life in real time. It’s a way for you and your friends to share what you’re doing, feeling, and seeing as it happens. It’s a free service that allows you to create your own mobile page where you can post videos, pictures, and text updates with your phone to instantly share with your friends and start a conversation. You can also follow friends, meet new friends, and watch videos.
Jaiku.com
Users can create a microblog and connect friends, posting from the web, by SMS, or from desktop clients.
ShoZu
Connecting your phone and your online life has never been easier. With ShoZu you can interact with huge list of sites and communities – from Flickr to Facebook, YouTube to Blogger, the list goes on.
Myspace Mobile
Myspace on your mobile phone.
