For some customers, loyalty programs are nothing more than an additional source of confusion and misinformation. Some points can be redeemed for certain rewards, while some points can only be used for others, and the entire system is subject to what seems like an encyclopedia full of restrictions and conditions. Wyndham Hotel Group saw this, and made a conscious decision to design the simplest loyalty program possible. The result: A revamped Wyndham Rewards that has accumulated 2.5 million....