My top20 iPad apps

1. Popplet

2. Instapaper

3. Data

3.1. Idisk

3.2. Dropbox

4. Notes

4.1. Things

4.2. Mindmeister

4.3. Evernote

4.4. Audiotorium

4.5. Numbers

4.6. Keynote

4.7. Pages

5. Readings

5.1. Reeder

5.2. Flipboard

5.3. Zinio

5.4. Goodreader

5.5. Slide By Slide

5.6. Kindle

5.7. Wikipanion

6. Interaction

6.1. IM+lite

6.2. Twitter