There are many reasons to be excited about Windows Phone 7, but a bleak spot has been Microsoft’s message — or lack thereof — on user-expandable storage, and the situation finally came to a head last week when AT&T told Samsung Focus owners to hold off on buying microSD cards altogether until Microsoft had a chance to certify some for use with the platform. How did it get to this point? Why wasn’t it communicated to users that this was such a problem before the phones ever went on sale? And if it really is such a problem, why did Samsung dare to make the microSD slot user-accessible in the Focus the first place? All good questions — and in talking with a number of sources the past few days, we’ve pieced together some of the answers. Read on…
