Become a Rewards Member
Utilize the Starbucks app to order ahead, part of their click and collect strategy
Redeem in one week, to help further cement
Starbucks goes beyond unique offers for Rewards Members. They routinely create whole experiences for their customer base to take part in.
Below is one example - their annual "Starbucks for Life" event. Reward Members can collect game pieces by purchasing select items. Rewards range from $500 gift cards, Bose Earbunds, and, as the name implies, Starbucks for Life!
Channel adoption is fundamental to omnichannel retailing.

It is worth incentivizing by whatever means possible.
Starbuck's playbook is simple. First, identify what your strongest customer touchpoint is and incentivize channel adoption with a clear benefit during that touchpoint.
In their case, they already had 28,000 physical stores with 75 million monthly customers. They identified a key benefit, and parlayed that service into new customer relationships via email.
For many eCommerce stores, their strongest customer touchpoint is online (their site). Barilliance equips you with a number of tools to convert site visitors into whichever channel makes the most sense for your business.