Picking iPhone app marketing tips from the list of 50

I am using about half of the 50 tips

http://tinyurl.com/AppsMarketing

1) get noticed on the App Store
2) submit to review sites
3) Public Relations
4) AddThis
5) Q&A participation
6) create presentation walk-thru
7) tell-a-friend in-app feature
8) exclusive app content
9) leave a rating button
10) Twitter
11) search directory registration
12) Facebook fan page
13) create trial and paid app versions
14) content optimization for search engine rankings
15) showcase app in new website
16) e-mail campaign
17) Linked in promotion
18) word of mouth
19) blog
20) YouTube demo
21) YouTube Commercials
22) Digg promotion
23) Craigslist Ad