A few thoughts ...

Hashtags are used to document events and 'trending topics' most often on
Twitter and Delicious. You'll find detailed explanations on the Planeta wiki
http://planeta.wikispaces.com/tags

The future of conferences - recommended listening:
http://www.abc.net.au/rn/futuretense/stories/2009/2564798.htm - will most
likely demand real-time, online interaction, starting with Twitter and
Flickr.

Here are some of the tourism and eco events I'm paying attention to this
week, all documented online Twitter

COP 15
http://twitter.com/#search?q=%23COP15

Conde Nast Traveler World Savers Congress
http://twitter.com/#search?q=%23CNT09

Marketing Now Conference
http://twitter.com/#search?q=%23mktgnow

Responsible Tourism Conference (Belize)
http://twitter.com/#search?q=%23rtbelize09

Editing

Web 2.0 Strategies for Visitors and Locals (and everyone in between)
http://planeta.wikispaces.com/web2

Kind regards, Ron Mader
>> http://www.planeta.com