Taken from a #smellycode post, just to demonstrate the usage fo gist in code reviews

SmellyCodeReview.cs

public Account ReadCompleteAccountByADUsernameAndServiceUID(string adUsername, string serviceInstanceUID)
{
    IList<Address> addresses;
    IList<Contact> contacts;
 
    //Attention, directly instantiating an object within the method may potentially create
    //problems when doing testing 'cause its dependency cannot be mocked out.
    MasterDataBL masterDataBL = new MasterDataBL();
 
    Account result =  AccoDao.ReadCompleteAccountByADUsernameAndServiceUID(adUsername, serviceInstanceUID, ConnectionString.Master, out addresses, out contacts);
 
    result.PhoneNumber = contacts.Where(x => x.ContactType.Id == masterDataBL.GetCachedContactTypeByUid(ContactType.WellKnownUid.PHONE).Id).FirstOrDefault();
    result.MobilePhone = contacts.Where(x => x.ContactType.Id == masterDataBL.GetCachedContactTypeByUid(ContactType.WellKnownUid.MOBILE).Id).FirstOrDefault();
 
    result.Residence = addresses.Where(x => x.AddressTypeId == masterDataBL.GetCachedAddressTypeByUid(AddressType.WellKnownUid.RESIDENCE).Id).FirstOrDefault();
    result.Domicile = addresses.Where(x => x.AddressTypeId == masterDataBL.GetCachedAddressTypeByUid(AddressType.WellKnownUid.DOMICILE).Id).FirstOrDefault();
 
    return result;
}

Feel free to make your edits here or add any comments. Note, this is just an example taken from one of my #smellycode posts (http://blog.js-development.com/2010/12/smelly-code-direct-object-instantiation.html)