Another area of truly horrendous waste in the Internet marketing arena is the failure to capture opt-ins.
在线营销中的另一个存在巨大浪费的地方是没有把那些潜在的消费者变成真正的客户。
2
Since Britain already has opt-outs (and opt-ins) from justice and home affairs (JHA), this should be achievable.
因为英国已经部分退出（和有选择地加入）司法与内政协定，所以这方面能够做到。
3
These sites look very much like affiliate landing pages (email opt-ins that eventually promote you a product through an affiliate link) and capture very targeted email addresses.