How to use tweevents
Tweevents helps to to keep track of events mentioned on twitter. Just add the hashtag #tweevent to any tweet mentioning that mentions a future event and we'll analyze the tweet and work out when the event will happen. You can browse the site for events, or look at events mentioned by specific people.
Here's an example:
The tweet gets automatically imported into tweevents and then displayed as below:
You can see that tweevents has worked out when the event will occur, and it counting down the time. You've also got the option to add the event to Google Calendar.