My top20 iPad apps

1. Popplet

2. Notes

2.1. Things

2.2. Mindmeister

2.3. Evernote

2.4. Audiotorium

2.5. Numbers

2.6. Keynote

2.7. Pages

3. Instapaper

4. Data

4.1. Idisk

4.2. Dropbox

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