Iframe + Polling = Cookie Fight(tech.picklive.com)
tech.picklive.com
Iframe + Polling = Cookie Fight
http://tech.picklive.com/2011/08/23/iframe-plus-polling-equal-cookie-fight.html
http://tech.picklive.com/2011/08/23/iframe-plus-polling-equal-cookie-fight.html
Edit: forgot to mention - think about your worst case before/while you design and you will then have a problem in yours hands down the track that says - 90% of visitors do A (subset of B) and my design caters for B. How do I optimize for A?
Instead of - my design caters for A, but a fair few do B - how can I extend A cater for B?
Architects - agile, waterfall, whatnot - they can help you with this!