Where can I hold a Internet activity?

Hi, Does any one knows where can hold an online activity?
Like draw lots or you may vote to get prize…
Or elsewhere can post activity(competition) information ?
Really emergency!! Thanks
Answer #1
I believe you are looking for a platform for sharing online webcam activity?? check out justin.tv website: http://www.justin.tv
About Justin.tv:
Justin.tv is the easiest way to create live video and show anyone in the world what's happening right now. Using only a laptop, you can share your event, class, party or thoughts, live, to anyone in over 250 countries while they chat in real-time with you and with other viewers. Justin.tv makes it fun, easy and fast to gather and engage with a live audience.
Live video can help you motivate a crowd to tell their friends what's happening, follow you on Twitter, buy a product, donate to a cause or get up out of their chairs and take action. Justin.tv is built from the ground up to support any audience, whether it's 5 people or 50,000. One new live video starts each second, and users watch more than 300 million videos every month. Headquartered in San Francisco, Justin.tv is funded by Alsop Louie Partners, Tim Draper and Y Combinator.
Answer #2
Hi, Thanks for replying. Actually I am looking for a platform to hold a activity like creating a work, and participant in a competition. But the website you provide is very good. Thanks!