Got 23 minutes to spare? Get the lowdown on Day 1 Retention: why it matters, how to measure it, and five quick tips to get your retention rate moving in the right direction.
user/addons/tagger/mod.tagger.php, line 31
Got 23 minutes to spare? Get the lowdown on Day 1 Retention: why it matters, how to measure it, and five quick tips to get your retention rate moving in the right direction.