1) You can use delicious to find the best in relevant content.
2) Find influential and relevant content on Alltop.com
3) Set up Google alerts on relevant search terms.
4) You can use Google, technorati, Google blog search to find blogs in your niche.
5) Use Google scholar to find academic research and analysis about your content.
6) You can create a personal RSS reader (for instance Google reader) for your favorite blogs and websites. You can then favorite and (automatically) share the most relevant content.
7) Create a widget for your favorite RSS feeds.
8) Tag your content. (Get your folksonomy on)
9) Group the widgets in a social media dashboard. You can also use Netvibes or Alltop to quickly aggregate your favorite blogs.
10) Socially bookmark your favorite content and aggregate your favorites via a lifestreaming platform like Friend Feed and Soup.io
11) Post your presentation on Slideshare.net
12) Post a video of your presentations on Vimeo, Viddler, Blip.TV or You Tube.
13) You can post your best presentations with the Slideshare widget for Facebook and Linked In.
14) Find the best images with Flickr advanced search or Google images search.
15) Post your speaking notes, references, or bibliography on Scribd.
16) Host a virtual speaking, presentation, or training event in Second Life.
17) Collaborate on speaking and event planning on Google Docs, Zoho, a Wiki (or Social Text), or a Wordpress blog. If you choose a wiki you might check out this direct comparison between a range of enterprise wikis.
18) Use hashtagging to share your content on Twitter.
19) Use Wordle to create word pictures or "beautiful word clouds."
20) Watch TED talks, Fora TV, or Academic Earth for more video content.
21) Learn a new skill at one of the many video learning websites to make your presentations better or more engaging.
22) Increase your productivity (get your GTD on)
23) Do audience analysis online.
24) You can learn about human motivation with Maslow's hierarchy of needs or the hidden persuaders.
25) Have fun and launch a tumblr on your passion.
26) You can post about your event on Meetup, Craigslist, Facebook events, and Yahoo Upcoming.
27) Find people to sell your presentation skills to on Guru or Craigslist. Or perhaps you prefer a crowd sourcing site like Crowdspring for logo and graphic design.
28) Do budgeting and accounting. For instance, you might like a combination of Expensify which provides free expense reports and an accounting application like Quickbooks.
29) Do project management.
30) Post your slide decks and event photos in Rock You and Animoto for presentations. Or you may prefer Flickr or Google's Picassa for creating slideshows.
31) Create an e-portfolio for personal branding and credibility. For instance, many people use Visual CV.
32) Create your brochure content and purchase amazing templates from Inkd or Apple (iWork).
33) Start a Wordpress blog on your subject or guest blog on a more influential site.
34) Do research to find someone to interview or survey.
35) Get your open source learning or creative commons on. In fact, you can do a creative commons search here.
36) Find a Ning community. Start a Ning community. (Ning is a free online social networking community that takes 60 seconds to launch)
37) You can choose a free or low cost video conference tool like Skype, UStream, Livestream (formerly Mogulus), or GoTo Meeting.
38) You can use Cover it Live to provide live blogging of a conference.
39) This post from Read/Write Web called "Web 2.0 backpack for students" is quite helpful for content creation.
40) Visual Blast suggests these "28 online image and photo editing tools" to help you with all your slide creation needs.
41) Sliderocket is a cool new introduction to the world of presentation design.
42) Mashable has a great and useful list of creativity and visual thinking resources which introduces "30+ Mind Mapping Tools."
43) Crowd source information for your presentation. You can use Linked In Answers for starters.
44) Create a survey using Survey Monkey or Google Docs and e-mail it to relevant individuals.
45) Self publish on Lulu and learn the basics of self-publishing 101.
46) Launch your manifesto on Slideshare or ChangeThis.
47) Learn about personal branding from Tom Peters.
48) Find Enterprise 2.0 applications and software as service applications for small business like Intuit.
49) Leverage the best of the newest in web 2.0 applications at Webware.
50) Or check out the Guardians 100 most useful websites.
51) Wetpaint suggest several widgets to use in its platform, which can be helpful.