One of my favorite A/B tests: the KA home page. The microcopy "Completely free, forever." got a decent lift to signups. (+5% of N million.)
2:31 PM - 20 Jun 2014
0 replies
2 retweets
10 likes
Loading seems to be taking a while.
Twitter may be over capacity or experiencing a momentary hiccup. Try again or visit Twitter Status for more information.